@misc{AL_2019_58_1_a8,
     title = {Sessions of the seminar {{\textquotedblleft}Algebra} {i~Logika{\textquotedblright}}},
     journal = {Algebra i logika},
     pages = {139--140},
     year = {2019},
     volume = {58},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2019_58_1_a8/}
}