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@article{AL_1982_21_2_a0, author = {S. A. Gurchenkov}, title = {Minimal varieties of $l$-groups}, journal = {Algebra i logika}, pages = {131--137}, publisher = {mathdoc}, volume = {21}, number = {2}, year = {1982}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1982_21_2_a0/} }
S. A. Gurchenkov. Minimal varieties of $l$-groups. Algebra i logika, Tome 21 (1982) no. 2, pp. 131-137. http://geodesic.mathdoc.fr/item/AL_1982_21_2_a0/