TY - JOUR AU - Grätzer, G. AU - Schmidt, E. T. TI - Congruence Class Sizes in Finite Sectionally Complemented Lattices JO - Canadian mathematical bulletin PY - 2004 SP - 191 EP - 205 VL - 47 IS - 2 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-2004-019-3/ DO - 10.4153/CMB-2004-019-3 ID - 10_4153_CMB_2004_019_3 ER -