%0 Journal Article %A Neuman, FrantiĊĦek %T Some results on geometrical approach to linear differential equations of the $n$-th order (Preliminary communication) %J Commentationes Mathematicae Universitatis Carolinae %D 1971 %P 307-315 %V 12 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/CMUC_1971__12_2_a6/ %G en %F CMUC_1971__12_2_a6