@article{AL_1986_25_1_a0, author = {V. A. Gorbunov}, title = {The cardinality of subdirectly irreducible systems in}, journal = {Algebra i logika}, pages = {3--50}, publisher = {mathdoc}, volume = {25}, number = {1}, year = {1986}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/AL_1986_25_1_a0/} }