TY - JOUR AU - O. G. Kharlampovich TI - The word problem for subvarieties of the variety $\mathfrak{N}_2\mathfrak{A}$ JO - Algebra i logika PY - 1987 SP - 481 EP - 501 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1987_26_4_a4/ LA - ru ID - AL_1987_26_4_a4 ER -