%0 Journal Article %A E. Wachnick %T On the oscillatory properties of solutions of certain elliptic equations %J Commentationes Mathematicae %D 1976 %P 165-169 %V 19 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v19i1.5852/ %R 10.14708/cm.v19i1.5852 %G pl %F 10_14708_cm_v19i1_5852