TY - JOUR AU - Peter Hess TI - Nonlinear Functional Equations and Eigenvalue Problems in Nonseperable Banach Spaces JO - Commentarii mathematici Helvetici PY - 1971 SP - 314 EP - 323 VL - 46 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1971__46_139480/ ID - CMH_1971__46_139480 ER -