%0 Journal Article %A Jaroš, J. %A Kusano, T. %A Yoshida, N. %T Generalized Picone's formula and forced oscillations in quasilinear differential equations of the second order %J Archivum mathematicum %D 2002 %P 53-59 %V 38 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/ARM_2002__38_1_a5/ %G en %F ARM_2002__38_1_a5