%0 Journal Article
%A Petry, Walter
%T Nonlinear operator equations and boundary-value problems
%J Commentationes Mathematicae Universitatis Carolinae
%D 1974
%P 451-463
%V 15
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1974__15_3_a5/
%G en
%F CMUC_1974__15_3_a5