@article{AL_2021_60_6_a5,
     author = {M. G. Peretyat'kin},
     title = {Virtual algebraic isomorphisms between predicate calculi of finite rich signatures},
     journal = {Algebra i logika},
     pages = {587--611},
     publisher = {mathdoc},
     volume = {60},
     number = {6},
     year = {2021},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2021_60_6_a5/}
}