TY - JOUR AU - Wen, Guo Chun TI - Oblique derivative problems for generalized Rassias equations of mixed type with several characteristic boundaries JO - Electronic Journal of Differential Equations PY - 2009 VL - 2009 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/EJDE_2009__2009__a137/ LA - en ID - EJDE_2009__2009__a137 ER -