TY - JOUR AU - Neuman, FrantiĊĦek TI - Some results on geometrical approach to linear differential equations of the $n$-th order (Preliminary communication) JO - Commentationes Mathematicae Universitatis Carolinae PY - 1971 SP - 307 EP - 315 VL - 12 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1971__12_2_a6/ LA - en ID - CMUC_1971__12_2_a6 ER -