Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1971_200_4_a5, author = {A. Yu. Levin}, title = {Algorithm for the shortest connection of a group of graph vertices}, journal = {Doklady Akademii Nauk}, pages = {773--776}, publisher = {mathdoc}, volume = {200}, number = {4}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a5/} }
A. Yu. Levin. Algorithm for the shortest connection of a group of graph vertices. Doklady Akademii Nauk, Tome 200 (1971) no. 4, pp. 773-776. http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a5/