%0 Journal Article
%A R. Bellman
%T Directions of mathematical research in nonlinear circuit theory
%J Matematika
%D 1964
%P 156-176
%V 8
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAT_1964_8_5_a10/
%G ru
%F MAT_1964_8_5_a10