@article{AL_1992_31_1_a3,
     author = {M. G. Peretyat'kin},
     title = {Semantic universality of theories over a superlist},
     journal = {Algebra i logika},
     pages = {47--73},
     publisher = {mathdoc},
     volume = {31},
     number = {1},
     year = {1992},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_1992_31_1_a3/}
}