TY - JOUR AU - Nieminen, Juhani TI - On structural properties of normality relations on lattices JO - Archivum mathematicum PY - 1977 SP - 159 EP - 167 VL - 13 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1977__13_3_a4/ LA - en ID - ARM_1977__13_3_a4 ER -