TY - JOUR AU - S. A. Gurchenkov TI - On the theory of varieties of lattice-ordered groups JO - Algebra i logika PY - 1988 SP - 249 EP - 273 VL - 27 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1988_27_3_a0/ LA - ru ID - AL_1988_27_3_a0 ER -