Voir la notice de l'article provenant de la source Math-Net.Ru
@article{IVM_1985_8_a0, author = {Sh. T. Ishmukhametov}, title = {Differences of recursively enumerable sets}, journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika}, pages = {3--12}, publisher = {mathdoc}, number = {8}, year = {1985}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/IVM_1985_8_a0/} }
Sh. T. Ishmukhametov. Differences of recursively enumerable sets. Izvestiâ vysših učebnyh zavedenij. Matematika, no. 8 (1985), pp. 3-12. http://geodesic.mathdoc.fr/item/IVM_1985_8_a0/