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@article{DA_1994_1_2_a3, author = {A. D. Korshunov}, title = {On the complexity of coverings of numerical sets by arithmetic progressions}, journal = {Diskretnyj analiz i issledovanie operacij}, pages = {40--60}, publisher = {mathdoc}, volume = {1}, number = {2}, year = {1994}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/DA_1994_1_2_a3/} }
A. D. Korshunov. On the complexity of coverings of numerical sets by arithmetic progressions. Diskretnyj analiz i issledovanie operacij, Tome 1 (1994) no. 2, pp. 40-60. http://geodesic.mathdoc.fr/item/DA_1994_1_2_a3/