References
- Berezin , I. S. 1949 . On Cauchy's problem for linear equations of the second order with initial conditions on a parabolic line . Mat. Sb , 24 : 301 – 320 .
- Carroll , R. 1963 . Some degenerate Cauchy problems with operator coefficients . Pacific J. Math , 13 : 471 – 439 .
- Carroll , R. 1963 . On the singular Cauchy problem . J. Math, and Mech , 12 : 69 – 102 .
- Carroll , R. 1966 . On the spectral determination of the Green's operator . J. Math, and Mech , 15 : 1003 – 1018 .
- Carroll , R. 1969 . Abstract methods in partial differentia! equations , New York : Harper and Row .
- Carroll , R. and Neuwirth , J. 1964 . Some uniqueness theorems for differential equations with operator coefficients . Trans. Amer. Math. Soc , 110 : 459 – 472 .
- Carroll , R. and Wang , C. 1965 . On the degenerate Cauchy problem . Canad. J. Math , 17
- Cordes , H. 1965 . The algebra of singular integral operators in R . J. Math, and Mech , 14 : 1007 – 1032 .
- Halmos , P. 1957 . Introduction to Hilbert space and the theory of spectral multiplicity , New York : Chelsea .
- Lax , P. 1957 . Asymptotic solutions of oscillatory initial value problems . Duke Math. J , 24 : 627 – 646 .
- Maurin , K. 1959 . Hilbert space methods , Warsaw : Polish Scientific Publishers .
- Walker , W. J. 1976 . Bounds for solutions to ordinary differential equations applied to a singular Cauchy problem . Proc. Amer. Math. Soc , 54 : 73 – 79 .