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@article{DA_2006_13_2_a3, author = {V. V. Servakh}, title = {A polynomially solvable case of the three-stage {Johnson} problem}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {44--55}, publisher = {mathdoc}, volume = {13}, number = {2}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_2006_13_2_a3/} }
V. V. Servakh. A polynomially solvable case of the three-stage Johnson problem. Diskretnyj analiz i issledovanie operacij, Tome 13 (2006) no. 2, pp. 44-55. http://geodesic.mathdoc.fr/item/DA_2006_13_2_a3/