%0 Journal Article %A J. Płonka %T On the number of independent elements in finite abstract algebras having a binary operation %J Colloquium Mathematicum %D 1966 %P 189-201 %V 14 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/cm-14-1-189-201/ %R 10.4064/cm-14-1-189-201 %G en %F 10_4064_cm_14_1_189_201