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@article{AL_1988_27_5_a5, author = {B. V. Yakovlev}, title = {Strict lattice definability of mixed nilpotent groups}, journal = {Algebra i logika}, pages = {604--616}, publisher = {mathdoc}, volume = {27}, number = {5}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1988_27_5_a5/} }
B. V. Yakovlev. Strict lattice definability of mixed nilpotent groups. Algebra i logika, Tome 27 (1988) no. 5, pp. 604-616. http://geodesic.mathdoc.fr/item/AL_1988_27_5_a5/