TY - JOUR AU - V. K. Kartashov TI - On some results and unsolved problems of the theory of unary algebras JO - Čebyševskij sbornik PY - 2011 SP - 18 EP - 26 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CHEB_2011_12_2_a2/ LA - ru ID - CHEB_2011_12_2_a2 ER -