权威例句
Partial differential equations of parabolic typeDifferential Equations with Discontinuous Righthand SidesTheory of Functional Differential EquationsStochastic Differential Equations and Diffusion ProcessesElliptic Partial Differential Equations of Second OrderElliptic partial differential equations of second order /Stochastic Integration and Differential EquationsTheory and Applications of Fractional Differential EquationsSemigroups of Linear Operators and Applications to Partial Differential EquationsUser’s guide to viscosity solutions of second order partial differential equations