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@article{AL_1972_11_2_a5, author = {Yu. P. Razmyslov}, title = {A certain example of unsolvable almost {Cross} varieties of groups}, journal = {Algebra i logika}, pages = {186--205}, publisher = {mathdoc}, volume = {11}, number = {2}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1972_11_2_a5/} }
Yu. P. Razmyslov. A certain example of unsolvable almost Cross varieties of groups. Algebra i logika, Tome 11 (1972) no. 2, pp. 186-205. http://geodesic.mathdoc.fr/item/AL_1972_11_2_a5/