TY - JOUR AU - S. A. Gurchenkov TI - Varieties of nilpotent lattice-ordered groups JO - Algebra i logika PY - 1982 SP - 499 EP - 510 VL - 21 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1982_21_5_a0/ LA - ru ID - AL_1982_21_5_a0 ER -