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@article{DA_1976_15_a4, author = {S. A. Morozov}, title = {The problem of finding the shortest connecting tree with a constraint}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {40--47}, publisher = {mathdoc}, number = {15}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1976_15_a4/} }
S. A. Morozov. The problem of finding the shortest connecting tree with a constraint. Diskretnyj analiz i issledovanie operacij, no. 15 (1976), pp. 40-47. http://geodesic.mathdoc.fr/item/DA_1976_15_a4/