TY - JOUR AU - Ĺ eda, Valter TI - On a class of linear $n$-th order differential equations JO - Czechoslovak Mathematical Journal PY - 1989 SP - 350 EP - 369 VL - 39 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1989.102307/ DO - 10.21136/CMJ.1989.102307 LA - en ID - 10_21136_CMJ_1989_102307 ER -