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@article{AL_1991_30_3_a4, author = {A. G. Pinus}, title = {L\"owenheim numbers for skeletons of varieties of {Boolean}}, journal = {Algebra i logika}, pages = {333--354}, publisher = {mathdoc}, volume = {30}, number = {3}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1991_30_3_a4/} }
A. G. Pinus. L\"owenheim numbers for skeletons of varieties of Boolean. Algebra i logika, Tome 30 (1991) no. 3, pp. 333-354. http://geodesic.mathdoc.fr/item/AL_1991_30_3_a4/