@misc{AL_2011_50_6_a8,
     title = {Sessions of the seminar {``Algebra} i {Logika''}},
     journal = {Algebra i logika},
     pages = {848--850},
     publisher = {mathdoc},
     volume = {50},
     number = {6},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AL_2011_50_6_a8/}
}