TY  - JOUR
AU  - Petry, Walter
TI  - Nonlinear operator equations and boundary-value problems
JO  - Commentationes Mathematicae Universitatis Carolinae
PY  - 1974
SP  - 451
EP  - 463
VL  - 15
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/CMUC_1974__15_3_a5/
LA  - en
ID  - CMUC_1974__15_3_a5
ER  -