Nonzero solutions to boundary value problems for nonlinear systems

Theory of Retracts.

Ky Fan, Sze-Tsen Hu · American Mathematical Monthly · 1968 · 392 citations

Fixed Point Theorems for Multi-Valued Transformations

Samuel Eilenberg, Deane Montgomery · American Journal of Mathematics · 1946 · 293 citations

Natural Sciences, Architectural Representation, Dynamical Systems +10

Ordinary Differential Equations

J. C. Burkill, G. Birkhoff, G.-C Rota · The Mathematical Gazette · 1964 · 224 citations

Natural Sciences, Mathematics, Differential Equations +6

A fixed point theorem for families on nonexpansive mappings

Teck Cheong Lim · Pacific Journal of Mathematics · 1974 · 145 citations · Full text

Natural Sciences, Architectural Theory, Topology +7

Hollow modules and local endomorphism rings

Patrick Fleury · Pacific Journal of Mathematics · 1974 · 90 citations · Full text

Natural Sciences, Mathematics, Algebra +8