%0 Journal Article %A Borsuk, Michail %A Portnyagin, Dmitriy %T On the Dirichlet problem for quasilinear elliptic second order equations with triple degeneracy and singularity in a domain with a boundary conical point %J Electronic Journal of Differential Equations %D 1999 %V 1999 %I mathdoc %U http://geodesic.mathdoc.fr/item/EJDE_1999__1999__a37/ %G en %F EJDE_1999__1999__a37