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@article{MMO_1973_29_a5, author = {M. S. Burgin}, title = {Subalgebras of free products of linear $\Omega$-algebras}, journal = {Trudy Moskovskogo matemati\v{c}eskogo ob\^{s}estva}, pages = {101--117}, publisher = {mathdoc}, volume = {29}, year = {1973}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MMO_1973_29_a5/} }
M. S. Burgin. Subalgebras of free products of linear $\Omega$-algebras. Trudy Moskovskogo matematičeskogo obŝestva, Trudy Moskovskogo Matematicheskogo Obshchestva, Tome 29 (1973), pp. 101-117. http://geodesic.mathdoc.fr/item/MMO_1973_29_a5/