%0 Journal Article
%A A. G. Sigalov
%T An equation of continuous descent for the quadratic form of a semi-bounded operator on the unit sphere
%J Žurnal vyčislitelʹnoj matematiki i matematičeskoj fiziki
%D 1971
%P 809-828
%V 11
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ZVMMF_1971_11_4_a0/
%G ru
%F ZVMMF_1971_11_4_a0