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@article{AL_1987_26_5_a2, author = {V. P. Dobritsa}, title = {Semilattices of computable indexings of classes of}, journal = {Algebra i logika}, pages = {558--576}, publisher = {mathdoc}, volume = {26}, number = {5}, year = {1987}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1987_26_5_a2/} }
V. P. Dobritsa. Semilattices of computable indexings of classes of. Algebra i logika, Tome 26 (1987) no. 5, pp. 558-576. http://geodesic.mathdoc.fr/item/AL_1987_26_5_a2/