@article{M2AN_1973__7_2_17_0,
     author = {Lavallee, Ivan},
     title = {Un algorithme de d\'etermination de couvertures de cardinal minimal},
     journal = {ESAIM: Mathematical Modelling and Numerical Analysis },
     pages = {17--28},
     publisher = {Dunod},
     address = {Paris},
     volume = {7},
     number = {R2},
     year = {1973},
     mrnumber = {391959},
     zbl = {0267.90092},
     language = {fr},
     url = {http://geodesic.mathdoc.fr/item/M2AN_1973__7_2_17_0/}
}