TY - JOUR AU - Peter Hess TI - Nonlinear Functional Equations and Eigenvalue Problems in Nonseperable Banach Spaces JO - Commentarii mathematici Helvetici PY - 1971 SP - 314 VL - 46 PB - mathdoc UR - https://geodesic-test.mathdoc.fr/item/CMH_1971__46_139480/ LA - un ID - CMH_1971__46_139480 ER -