TY - JOUR AU - Goralčík, P. AU - Koubek, V. AU - Sichler, J. TI - Universal Varieties Of (0, 1)-Lattices JO - Canadian journal of mathematics PY - 1990 SP - 470 EP - 490 VL - 42 IS - 3 UR - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1990-024-0/ DO - 10.4153/CJM-1990-024-0 ID - 10_4153_CJM_1990_024_0 ER -