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@article{AL_1988_27_3_a4, author = {A. G. Pinus}, title = {Coverings in epimorphism skeletons of varieties of algebras}, journal = {Algebra i logika}, pages = {316--326}, publisher = {mathdoc}, volume = {27}, number = {3}, year = {1988}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1988_27_3_a4/} }
A. G. Pinus. Coverings in epimorphism skeletons of varieties of algebras. Algebra i logika, Tome 27 (1988) no. 3, pp. 316-326. http://geodesic.mathdoc.fr/item/AL_1988_27_3_a4/