TY - JOUR AU - Karim, Rahmi Ibrahim Ibrahim Abdel TI - On the behaviour of the solutions and their first $(n-1)$ derivatives of the $n$-th order differential equations with periodic coefficients JO - Archivum mathematicum PY - 1970 SP - 237 EP - 249 VL - 06 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1970__6_4_a5/ LA - en ID - ARM_1970__6_4_a5 ER -