%0 Journal Article
%A Paschos, Vangelis Th.
%T Combinatorial approximation of maximum k-vertex cover in bipartite graphs within ratio 0.7
%J RAIRO - Operations Research - Recherche Opérationnelle
%D 2018
%P 305-314
%V 52
%N 1
%I EDP-Sciences
%U http://www.numdam.org/articles/10.1051/ro/2017085/
%R 10.1051/ro/2017085
%G en
%F RO_2018__52_1_305_0