%0 Journal Article %A Korec, Ivan %T Structures related to Pascal's triangle modulo $2$ and their elementary theories %J Mathematica slovaca %D 1994 %P 531-554 %V 44 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1994__44_5_a5/ %G en %F MASLO_1994__44_5_a5