References
- Caroll , R.W. and Showalter , R.E. 1976 . Singular and degenerate Cauchy problems , New York : Academic Press .
- Fichera , G. 1983 . Proc. Roy. Soc. Edingurgh Sect A , 95 : 247 – 256 .
- Friedman , A. 1969 . Partial differential equations , New York : Holt .
- Galpern , S.S. 1960 . Dokl. Akad. Nauk. SSSR , 104 : 640 – 643 .
- Lagnese , J. 1973 . SIAM J. Math. Anal , 4 : 623 – 637 .
- A.J. van , der Merwe . 1983 . Sobolev-Galpern equations and B-evolutions , 4
- Sauer , N. 1982 . Proc. Roy. Soc. Edingburgh Sect A , 91 : 287 – 303 .
- Showalter , R.E. 1977 . Hilbert space methods for partial differential equations , London : Pitman .
- Showalter , R.E. 1975 . Applicable Analysis , 5 : 15 – 22 .
- Showalter , R.E. 1975 . Applicable Analysis , 5 : 81 – 99 .
- Showalter , R.E. 1986 . Private communication
- Sobolev , S.L. 1954 . Izv. Akad. Nauk SSSR Ser. Mat , 18 : 3 – 50 .
- Ting , T.W. 1969 . J. Math. Soc. Japan , 21 : 440 – 453 .