%0 Journal Article %A Haslinger, Jaroslav %A Hlaváček, Ivan %T Convergence of a dual finite element method in $R_n$ %J Commentationes Mathematicae Universitatis Carolinae %D 1975 %P 469-485 %V 16 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1975__16_3_a4/ %G en %F CMUC_1975__16_3_a4