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@article{MZM_1972_11_5_a7, author = {M. S. Burgin}, title = {Free factor algebras of free linear $\Omega$-algebras}, journal = {Matemati\v{c}eskie zametki}, pages = {537--544}, publisher = {mathdoc}, volume = {11}, number = {5}, year = {1972}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1972_11_5_a7/} }
M. S. Burgin. Free factor algebras of free linear $\Omega$-algebras. Matematičeskie zametki, Tome 11 (1972) no. 5, pp. 537-544. http://geodesic.mathdoc.fr/item/MZM_1972_11_5_a7/