%0 Journal Article %A Jan PopioĊ‚ek %T Properties of some integrals related to partial differential equations of order higher than two %J Annales Polonici Mathematici %D 1996 %P 129-138 %V 65 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-65-2-129-138/ %R 10.4064/ap-65-2-129-138 %G en %F 10_4064_ap_65_2_129_138