%0 Journal Article
%A Zdzisław Denkowski
%T The boundary value problems for ordinary non-linear differential and difference equations of the fourth order
%J Annales Polonici Mathematici
%D 1970
%P 87-102
%V 24
%N 1
%I mathdoc
%U http://geodesic.mathdoc.fr/articles/10.4064/ap-24-1-87-102/
%R 10.4064/ap-24-1-87-102
%G en
%F 10_4064_ap_24_1_87_102