Voir la notice de l'article provenant de la source Math-Net.Ru
@article{DAN_1972_202_2_a11, author = {P. S. Soltan}, title = {Simultaneous solution of several {Steiner} problems on a graph}, journal = {Doklady Akademii Nauk}, pages = {294--297}, publisher = {mathdoc}, volume = {202}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DAN_1972_202_2_a11/} }
P. S. Soltan. Simultaneous solution of several Steiner problems on a graph. Doklady Akademii Nauk, Tome 202 (1972) no. 2, pp. 294-297. http://geodesic.mathdoc.fr/item/DAN_1972_202_2_a11/