%0 Journal Article %A A. Ren-Kurc %T Polynomial spline functions and application to approximation in the space with mixed norm %J Commentationes Mathematicae %D 1983 %P 295-308 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.14708/cm.v23i2.6065/ %R 10.14708/cm.v23i2.6065 %G pl %F 10_14708_cm_v23i2_6065