1. Partial differential equations of parabolic type;Frideman,1964
2. The Stefan problem;Rubinstein,1971
3. Free boundary problems for nonlinear parabolic equations with nonlinear free boundary conditions;Fasano;J Math Anal Appl,1979
4. General free boundary problems for the heat equation III;Fasano;J Math Anal Appl,1977
5. Sobolev spaces;Adams,1975