TY - JOUR AU - Borsuk, Michail AU - Portnyagin, Dmitriy TI - On the Dirichlet problem for quasilinear elliptic second order equations with triple degeneracy and singularity in a domain with a boundary conical point JO - Electronic journal of differential equations PY - 1999 VL - 1999 UR - http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a86/ LA - en ID - EJDE_1999__1999__a86 ER -