@article{AL_1978_17_4_a4,
     author = {M. G. Peretyat'kin},
     title = {A criterion of strong constructivizability of a homogeneous},
     journal = {Algebra i logika},
     pages = {436--454},
     publisher = {mathdoc},
     volume = {17},
     number = {4},
     year = {1978},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1978_17_4_a4/}
}