%0 Journal Article %A BiƄczak, Grzegorz %T Equational bases for weak monounary varieties %J Discussiones Mathematicae. General Algebra and Applications %D 2002 %P 87-100 %V 22 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DMGAA_2002_22_1_a6/ %G en %F DMGAA_2002_22_1_a6