%0 Journal Article
%A L. V. Kantorovich
%T On differential equations of the form $x''=f(x)$
%J Informatics and Automation
%D 1949
%P 148-151
%V 28
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TRSPY_1949_28_a6/
%G ru
%F TRSPY_1949_28_a6