@misc{AL_1983_22_6_a8, title = {Sessions of the seminar {{\textquotedblleft}Algebra} i {Logika{\textquotedblright}}}, journal = {Algebra i logika}, pages = {714}, year = {1983}, volume = {22}, number = {6}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1983_22_6_a8/} }