%0 Journal Article
%A A. N. Glebov
%A D. Zh. Zambalayeva
%T Polynomial algorithm with approximation ratio $7/9$ for maximum 2-PSP
%J Diskretnyj analiz i issledovanie operacij
%D 2011
%P 17-48
%V 18
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DA_2011_18_4_a1/
%G ru
%F DA_2011_18_4_a1