... 7.3Hindawi Publishing CorporationBoundary Value ProblemsVolume 2011, Article ID 268032, 27 pagesdoi:10.1155/2011/268032Research Article Degenerate Anisotropic Differential Operatorsand ApplicationsRavi ... CfGj,p,γujGj,p,γnk1lki1fkiFki.4.28Then, by using the equality uxNj1ujx and the above estimates, we get 4.14.Condition 3. Suppose ... thatup,γ1|λ|L λu − Lup,γ≤1|λ|L λup,γLup,γ.4.33Hence, by using the definition of Wlp,γG; EA,E and applying Theorem A1, we obtainup,γ≤1|λ|L...