%0 Journal Article
%A È. A. Kuz'min
%A V. V. Ilyukhin
%A N. V. Belov
%T Isolation of the basic system from the vector one according to two multiplicity peak (Feodorov group $P1$)
%J Doklady Akademii Nauk
%D 1970
%P 812-813
%V 193
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1970_193_4_a19/
%G ru
%F DAN_1970_193_4_a19