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@article{AL_1983_22_3_a1, author = {Yu. L. Ershov}, title = {Involutory groups}, journal = {Algebra i logika}, pages = {260--275}, publisher = {mathdoc}, volume = {22}, number = {3}, year = {1983}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1983_22_3_a1/} }
Yu. L. Ershov. Involutory groups. Algebra i logika, Tome 22 (1983) no. 3, pp. 260-275. http://geodesic.mathdoc.fr/item/AL_1983_22_3_a1/