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@article{AL_1979_18_4_a8, author = {V. I. Tumanov}, title = {Lattices of equational theories of models}, journal = {Algebra i logika}, pages = {488--504}, publisher = {mathdoc}, volume = {18}, number = {4}, year = {1979}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1979_18_4_a8/} }
V. I. Tumanov. Lattices of equational theories of models. Algebra i logika, Tome 18 (1979) no. 4, pp. 488-504. http://geodesic.mathdoc.fr/item/AL_1979_18_4_a8/