一类变系数抛物型两相自由边界问题

A Two Phase Free Boundary Problem of Variable Coefficient Parabolic Equations

研究了一类变系数抛物型方程两相Ｓｔｅｆａｎ问题，运用适当技巧将微分方程化为积分方程。

A variable coefficient two phase Stefan problem of parabolic equations is discussed, and then transformed into an integral equation by using suitable skill and the existence and uniques theorem of the solution are studied by applying fixed point theorem.