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@article{AL_1976_15_6_a1, author = {Yu. M. Gorchakov}, title = {Subgroups of direct products}, journal = {Algebra i logika}, pages = {622--627}, publisher = {mathdoc}, volume = {15}, number = {6}, year = {1976}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1976_15_6_a1/} }
Yu. M. Gorchakov. Subgroups of direct products. Algebra i logika, Tome 15 (1976) no. 6, pp. 622-627. http://geodesic.mathdoc.fr/item/AL_1976_15_6_a1/