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@article{AL_1980_19_5_a1, author = {Yu. L. Ershov}, title = {On profinite groups}, journal = {Algebra i logika}, pages = {552--565}, publisher = {mathdoc}, volume = {19}, number = {5}, year = {1980}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1980_19_5_a1/} }
Yu. L. Ershov. On profinite groups. Algebra i logika, Tome 19 (1980) no. 5, pp. 552-565. http://geodesic.mathdoc.fr/item/AL_1980_19_5_a1/