TY - BOOK AU - Krasnosel'skii, M. A. and Zabreiko, P. P. AU - Zabreiko, P. P. ; jt. auth. AU - Fenske, Christian C. ; tr. TI - Geometrical methods of nonlinear analysis T2 - Die Grundlehren der Mathematischen Wissenschaften U1 - 515.7 PY - 1984/// CY - Berlin PB - Springer-Verlag N1 - "Tr. from the Russian by Christian C. Fenske" ER -