%0 Journal Article
%A E. M. Markushin
%T The computation of the quadratic functional in a certain special case
%J Differencialʹnye uravneniâ
%D 1971
%P 368
%V 7
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DE_1971_7_2_a20/
%G ru
%F DE_1971_7_2_a20