@article{AL_1964_3_3_a2,
     author = {Yu. L. Ershov},
     title = {Decidability of the elementary theory of relatively complemented},
     journal = {Algebra i logika},
     pages = {17--38},
     publisher = {mathdoc},
     volume = {3},
     number = {3},
     year = {1964},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1964_3_3_a2/}
}