TY - JOUR AU - BartuĊĦek, Miroslav TI - On distribution of zeros of solutions of the differential equation $(p(t)y')'+f(t,y,y')=0$ JO - Archivum mathematicum PY - 1977 SP - 69 EP - 74 VL - 13 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_1977__13_2_a1/ LA - en ID - ARM_1977__13_2_a1 ER -