TY - JOUR AU - Yoshida, Norio TI - Picone-type inequality and Sturmian comparison theorems for quasilinear elliptic operators with $p(x)$-Laplacians JO - Electronic Journal of Differential Equations PY - 2012 VL - 2012 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2012__2012__a33/ LA - en ID - EJDE_2012__2012__a33 ER -