@article{RO_1994__28_3_283_0,
     author = {Crama, Y. and Van De Klundert, J.},
     title = {Approximation algorithms for integer covering problems via greedy column generation},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {283--302},
     publisher = {EDP-Sciences},
     volume = {28},
     number = {3},
     year = {1994},
     mrnumber = {1290532},
     zbl = {0830.90107},
     language = {en},
     url = {http://www.numdam.org/item/RO_1994__28_3_283_0/}
}