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@article{DA_1983_23_a4, author = {A. I. Erzin and T. B. Mordvinova}, title = {A problem of construction of an optimal tree}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {44--54}, publisher = {mathdoc}, number = {23}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1983_23_a4/} }
A. I. Erzin; T. B. Mordvinova. A problem of construction of an optimal tree. Diskretnyj analiz i issledovanie operacij, no. 23 (1983), pp. 44-54. http://geodesic.mathdoc.fr/item/DA_1983_23_a4/