TY - JOUR AU - Leggett, R. W. AU - Williams, L. R. PY - 1979 DA - 1979// TI - Multiple positive fixed points of nonlinear operators on ordered Banach spaces JO - Indiana University Mathematics Journal VL - 28 UR - https://doi.org/10.1512/iumj.1979.28.28046 DO - 10.1512/iumj.1979.28.28046 ID - Leggett1979 ER - TY - JOUR AU - Guo, D. J. PY - 1981 DA - 1981// TI - A new fixed-point theorem JO - Acta Mathematica Sinica VL - 24 ID - Guo1981 ER - TY - JOUR AU - Anderson, D. R. AU - Avery, R. I. PY - 2002 DA - 2002// TI - Fixed point theorem of cone expansion and compression of functional type JO - Journal of Difference Equations and Applications VL - 8 UR - https://doi.org/10.1080/10236190290015344 DO - 10.1080/10236190290015344 ID - Anderson2002 ER - TY - JOUR AU - Zhang, G. AU - Sun, J. PY - 2007 DA - 2007// TI - A generalization of the cone expansion and compression fixed point theorem and applications JO - Nonlinear Analysis: Theory, Methods & Applications VL - 67 UR - https://doi.org/10.1016/j.na.2006.06.003 DO - 10.1016/j.na.2006.06.003 ID - Zhang2007 ER - TY - JOUR AU - Guo, D. J. PY - 1984 DA - 1984// TI - Some fixed point theorems on cone maps JO - Kexue Tongbao VL - 29 ID - Guo1984 ER - TY - BOOK AU - Krasnosel'skiĭ, M. A. PY - 1964 DA - 1964// TI - Positive Solutions of Operator Equations PB - P. Noordhoff CY - Groningen, The Netherlands ID - Krasnosel'skiĭ1964 ER - TY - JOUR AU - Agarwal, R. P. AU - Avery, R. I. AU - Henderson, J. AU - O'Regan, D. PY - 2003 DA - 2003// TI - The five functionals fixed point theorem generalized to multivalued maps JO - Journal of Nonlinear and Convex Analysis VL - 4 ID - Agarwal2003 ER - TY - JOUR AU - Avery, R. I. PY - 1999 DA - 1999// TI - A generalization of the Leggett-Williams fixed point theorem JO - Mathematical Sciences Research Hot-Line VL - 3 ID - Avery1999 ER - TY - JOUR AU - Avery, R. I. AU - Henderson, J. PY - 2000 DA - 2000// TI - An extension of the five functionals fixed point theorem JO - International Journal of Differential Equations and Applications VL - 1 ID - Avery2000 ER - TY - JOUR AU - Avery, R. I. AU - Henderson, J. PY - 2001 DA - 2001// TI - Two positive fixed points of nonlinear operators on ordered Banach spaces JO - Communications on Applied Nonlinear Analysis VL - 8 ID - Avery2001 ER - TY - JOUR AU - Agarwal, R. P. AU - O'Regan, D. PY - 2001 DA - 2001// TI - A generalization of the Petryshyn-Leggett-Williams fixed point theorem with applications to integral inclusions JO - Applied Mathematics and Computation VL - 123 UR - https://doi.org/10.1016/S0096-3003(00)00077-1 DO - 10.1016/S0096-3003(00)00077-1 ID - Agarwal2001 ER - TY - JOUR AU - O'Regan, D. PY - 1996 DA - 1996// TI - Integral inclusions of upper semi-continuous or lower semi-continuous type JO - Proceedings of the American Mathematical Society VL - 124 UR - https://doi.org/10.1090/S0002-9939-96-03456-9 DO - 10.1090/S0002-9939-96-03456-9 ID - O'Regan1996 ER - TY - BOOK AU - Smirnov, G. V. PY - 2002 DA - 2002// TI - Introduction to the Theory of Differential Inclusions, Graduate Studies in Mathematics PB - American Mathematical Society CY - Providence, RI, USA ID - Smirnov2002 ER - TY - BOOK AU - Deimling, K. PY - 1985 DA - 1985// TI - Nonlinear Functional Analysis PB - Springer CY - Berlin, Germany UR - https://doi.org/10.1007/978-3-662-00547-7 DO - 10.1007/978-3-662-00547-7 ID - Deimling1985 ER - TY - BOOK AU - Guo, D. J. AU - Lakshmikantham, V. PY - 1988 DA - 1988// TI - Nonlinear Problems in Abstract Cones, Notes and Reports in Mathematics in Science and Engineering PB - Academic Press CY - Boston, Mass, USA ID - Guo1988 ER - TY - JOUR AU - Avery, R. I. AU - Peterson, A. C. PY - 1998 DA - 1998// TI - Multiple positive solutions of a discrete second order conjugate problem JO - PanAmerican Mathematical Journal VL - 8 ID - Avery1998 ER -