TY - JOUR AU - Enaka, Yukihide AU - Onitsuka, Masakazu TI - Integral averaging technique for oscillation of damped half-linear oscillators JO - Czechoslovak Mathematical Journal PY - 2018 SP - 755 EP - 770 VL - 68 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0645-16/ DO - 10.21136/CMJ.2018.0645-16 LA - en ID - 10_21136_CMJ_2018_0645_16 ER -