TY - JOUR AU - BartuĊĦek, Miroslav TI - On proper oscillatory solutions of the nonlinear differential equations of the $n$-th order JO - Archivum mathematicum PY - 1988 SP - 89 EP - 98 VL - 24 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1988__24_2_a6/ LA - en ID - ARM_1988__24_2_a6 ER -