%0 Journal Article %A W. Zarębski %T Generalized $P_1$- and $P_2$-lattices of order ω+ %J Colloquium Mathematicum %D 1971 %P 1-10 %V 37 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-37-1-1-10/ %R 10.4064/cm-37-1-1-10 %G en %F 10_4064_cm_37_1_1_10