@misc{AL_1986_25_4_a8, title = {Sessions of the seminar {{\textquotedblleft}Algebra} i {Logika{\textquotedblright}}}, journal = {Algebra i logika}, pages = {492}, publisher = {mathdoc}, volume = {25}, number = {4}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1986_25_4_a8/} }