1. Application of a fixed point search algorithm;Allgower,1974
2. The approximation of solutions of nonlinear elliptic boundary value problems with several solutions;Allgower;Springer Lecture Notes,1973
3. Espace topologiques, functions multivoques;Berge,1959
4. On the Sperner lemma;Cohen;Journal of Combinatorial Theory,1967
5. A generalization of the linear complementarity problem;Cottle;Journal of Combinatorial Theory,1970