@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/}
}