TY - JOUR AU - Jaroš, J. AU - Kusano, T. AU - Yoshida, N. TI - Generalized Picone's formula and forced oscillations in quasilinear differential equations of the second order JO - Archivum mathematicum PY - 2002 SP - 53 EP - 59 VL - 38 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/ARM_2002__38_1_a5/ LA - en ID - ARM_2002__38_1_a5 ER -