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@article{IVM_1998_7_a2, author = {A. A. Efremov}, title = {$d$-r.\,e. degrees that are isolated from {above.~II}}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {18--25}, publisher = {mathdoc}, number = {7}, year = {1998}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1998_7_a2/} }
A. A. Efremov. $d$-r.\,e. degrees that are isolated from above.~II. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 7 (1998), pp. 18-25. http://geodesic.mathdoc.fr/item/IVM_1998_7_a2/
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