J. A. Aubin and . Cellina, Differential Inclusions, 1984.
URL : https://hal.archives-ouvertes.fr/hal-01075629

M. &. Beato and . Mas, On marginal cost pricing with given tax-subsidy rules, Journal of Economic Theory, vol.37, issue.2, pp.356-365, 1985.
DOI : 10.1016/0022-0531(85)90096-1

J. Bonnisseau and B. Cornet, Existence of equilibria when firms follow bounded losses pricing rules, Journal of Mathematical Economics, vol.17, issue.2-3, pp.119-147, 1988.
DOI : 10.1016/0304-4068(88)90003-1

URL : https://hal.archives-ouvertes.fr/hal-00187223

A. A. Cellina and . Lasota, A New Approach to the Definition of Topological Degree for Multivalued Mappings Atti della Academia Nazionale dei Lincei, Rendiconti, Classe de Scienze Fisiche, Mathematiche a Naturali, pp.434-440, 1969.

B. Cornet, General equilibrium theory and increasing returns, Journal of Mathematical Economics, vol.17, issue.2-3, pp.103-118, 1988.
DOI : 10.1016/0304-4068(88)90002-X

M. Czarnecki, Méthodes d'approximation pour desprobì emes nondifférentiables . ApplicationsàApplications`Applicationsà l'existence de points fixes, Thèse de doctorat, 1996.

G. Debreu, Economies with a Finite set of Equilibria Econometrica, pp.387-392, 1970.

A. Dold, Lectures on Algebraic Topology, 1972.

J. W. Geanakoplos and . Shafer, Solving systems of simultaneous equations in economics, Journal of Mathematical Economics, vol.19, issue.1-2, pp.69-93, 1990.
DOI : 10.1016/0304-4068(90)90036-9

G. Giraud, Non-smooth Economies with a Uniformly Bounded Set of Equilibria, 1999.

A. J. Granas and . Jaworowski, Some Theorems on Multivalued Mappings of Subsets of the Euclidean Space, Académie Polonaise des Sciences. VII, issue.5, pp.277-283, 1959.

T. Hamano, On the existence of equilibria without convexity or free disposal on production technologies, Journal of Mathematical Economics, vol.23, issue.6, pp.565-583, 1994.
DOI : 10.1016/0304-4068(94)90013-2

J. W. Jaworowski, Some Consequences of the Vietoris Mapping Theorem Fund, Math, vol.45, pp.261-272, 1958.

E. Jouini, An index theorem for nonconvex production economies, Journal of Economic Theory, vol.57, issue.1, pp.176-196, 1992.
DOI : 10.1016/S0022-0531(05)80047-X

URL : https://hal.archives-ouvertes.fr/halshs-00167134

F. Kamiya, Existence and Uniqueness of Equilibria with Increasing Returns Journ. of Math, Economics, vol.17, pp.149-178, 1988.

R. L. Kirby and . Siebermann, Foundational Essays on Topological Manifolds , Smoothings and Triangulations, Annals of Math. Studies, vol.88, 1977.
DOI : 10.1515/9781400881505

A. Mas-colell, A note on a theorem of F. Browder, Mathematical Programming, vol.LXVIII, issue.1, pp.229-233, 1974.
DOI : 10.1007/BF01580239

A. Mclennan, Approximation of contractible valued correspondences by functions, Journal of Mathematical Economics, vol.20, issue.6, pp.591-598, 1991.
DOI : 10.1016/0304-4068(91)90027-Q

J. Milnor, Topology from the Differentiable Viewpoint, 1965.

E. H. Spanier, Algebraic Topology, Uber den höheren Zusammenhang kompakter Raüme und eine Klaße von zusammenhangstreuen Abbildungen. Math. Ann. 97, pp.454-472, 1927.
DOI : 10.1007/978-1-4684-9322-1