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@article{AL_1970_9_5_a3, author = {L. L. Maksimova}, title = {$E$-theories}, journal = {Algebra i logika}, pages = {530--538}, publisher = {mathdoc}, volume = {9}, number = {5}, year = {1970}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1970_9_5_a3/} }
L. L. Maksimova. $E$-theories. Algebra i logika, Tome 9 (1970) no. 5, pp. 530-538. http://geodesic.mathdoc.fr/item/AL_1970_9_5_a3/