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@article{AL_1991_30_2_a4, author = {A. I. Omarov}, title = {Orthogonally complete algebraic system}, journal = {Algebra i logika}, pages = {205--213}, publisher = {mathdoc}, volume = {30}, number = {2}, year = {1991}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1991_30_2_a4/} }
A. I. Omarov. Orthogonally complete algebraic system. Algebra i logika, Tome 30 (1991) no. 2, pp. 205-213. http://geodesic.mathdoc.fr/item/AL_1991_30_2_a4/