A regularity criterion for the dissipative quasi-geostrophic equations Hongjie Dong; Nataša Pavlović — 2009 Annales de l'I.H.P. Analyse non linéaire
Rate of convergence of finite-difference approximations for degenerate linear parabolic equations with C 1 and C 2 coefficients. Dong, Hongjie; Krylov, Nicolai V. — 2005 Electronic Journal of Differential Equations (EJDE) [electronic only]