@misc{AL_2011_50_5_a7,
     title = {Sessions of the seminar {{\textquotedblleft}Algebra} {i~Logika{\textquotedblright}}},
     journal = {Algebra i logika},
     pages = {692},
     year = {2011},
     volume = {50},
     number = {5},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2011_50_5_a7/}
}