%0 Journal Article
%A Yu. V. Pokornyi
%A Zh. I. Bakhtina
%A A. S. Ishchenko
%T On solvability of certain classes of irregular the second order variation problems
%J Izvestiya of Saratov University. Mathematics. Mechanics. Informatics
%D 2007
%P 32-36
%V 7
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ISU_2007_7_2_a6/
%G ru
%F ISU_2007_7_2_a6