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@article{IVM_2006_1_a7, author = {A. N. Frolov}, title = {Set-theoretic reducibilities in a lattice of sets}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {57--67}, publisher = {mathdoc}, number = {1}, year = {2006}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_2006_1_a7/} }
A. N. Frolov. Set-theoretic reducibilities in a lattice of sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 1 (2006), pp. 57-67. http://geodesic.mathdoc.fr/item/IVM_2006_1_a7/