[1]Alkhutov Yu A, Mamedov I T. The first boundary value problem for nondivergence second order parabolic equations with discontinuous coefficients. Math USSR Sbornik, 1988, 59: 471-495

[2]Ladyzhenskaya O A, Solonnikov V A, Ural′tseva N N. Linear and Quasilinear Equations of Parabolic Type.Trans Math Monographs 23, Providence, RI: Amer Math Soc, 1968

[3]Wen G C, Tain M Y. Initial-oblique derivative problems for nonlinear parabolic equations with measurable coefficients. Comm in Nonlinear Sci & Numer Simu, 1998, 3:109-113

[4]Wen G C, Zou B T. Initial-oblique derivative problems for linear parabolic equations of second order with measurable coefficients in a higher dimensional domain. Acta Math Appl Sinica, 1999, 22:579-588 (in Chinese)