TY  - JOUR
AU  - Paschos, Vangelis Th.
TI  - Combinatorial approximation of maximum k-vertex cover in bipartite graphs within ratio 0.7
JO  - RAIRO - Operations Research - Recherche Opérationnelle
PY  - 2018
SP  - 305
EP  - 314
VL  - 52
IS  - 1
PB  - EDP-Sciences
UR  - http://www.numdam.org/articles/10.1051/ro/2017085/
DO  - 10.1051/ro/2017085
LA  - en
ID  - RO_2018__52_1_305_0
ER  -