@misc{AL_2001_40_2_a7, title = {Sessions of the {Seminar} {{\textquotedblleft}Algebra} i {Logika{\textquotedblright}}}, journal = {Algebra i logika}, pages = {243--245}, year = {2001}, volume = {40}, number = {2}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_2001_40_2_a7/} }