TY - JOUR AU - N. Parhi AU - S. Parhi TI - On the behaviour of solutions of the differential equations $(r(t)y'')' + q(t)(y')^β + p(t)y^α = f(t)$ JO - Annales Polonici Mathematici PY - 1986 SP - 137 EP - 148 VL - 47 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.4064/ap-47-2-137-148/ DO - 10.4064/ap-47-2-137-148 LA - en ID - 10_4064_ap_47_2_137_148 ER -