Voir la notice de l'article provenant de la source Czech Digital Mathematics Library
@article{MASLO_1988__38_3_a4, author = {Plesn{\'\i}k, J\'an}, title = {Two heuristics for the absolute $p$-center problem in graphs}, journal = {Mathematica slovaca}, pages = {227--233}, publisher = {mathdoc}, volume = {38}, number = {3}, year = {1988}, mrnumber = {977900}, zbl = {0654.05058}, language = {en}, url = {http://geodesic.mathdoc.fr/item/MASLO_1988__38_3_a4/} }
Plesník, Ján. Two heuristics for the absolute $p$-center problem in graphs. Mathematica slovaca, Tome 38 (1988) no. 3, pp. 227-233. http://geodesic.mathdoc.fr/item/MASLO_1988__38_3_a4/