%0 Journal Article
%A Yu. K. Sirenko
%A V. P. Shestopalov
%T Isolation of the physical solutions of problems in the theory of
%J Doklady Akademii Nauk
%D 1987
%P 1346-1350
%V 297
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1987_297_6_a14/
%G ru
%F DAN_1987_297_6_a14