TY - JOUR AU - Vosmanský, Jaromír TI - The monotonicity of extremants of integrals of the differential equation $y''+q(t)y=0$ JO - Archivum mathematicum PY - 1966 SP - 105 EP - 111 VL - 2 IS - 3 UR - http://geodesic.mathdoc.fr/item/ARM_1966_2_3_a1/ LA - en ID - ARM_1966_2_3_a1 ER -