@article{AL_1994_33_4_a4,
     author = {A. M. Sebel'din},
     title = {Definability of vector groups by endomorphism semigroups},
     journal = {Algebra i logika},
     pages = {422--428},
     publisher = {mathdoc},
     volume = {33},
     number = {4},
     year = {1994},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1994_33_4_a4/}
}