@article{AL_1995_34_4_a7,
     author = {S. L. Shokhor},
     title = {The lattice of recursively enumerable substructures of an},
     journal = {Algebra i logika},
     pages = {472--484},
     publisher = {mathdoc},
     volume = {34},
     number = {4},
     year = {1995},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1995_34_4_a7/}
}