References
- Carroll , R. 1979 . Transmutation and operator differential equations, Notas de Matematica , Amsterdam : North-Holland .
- Carroll R Transmutation, generalized translation, and transform theory. Part I to appear (Part II completed, Part III in preparation)
- Carroll , R. 1979 . Transmutation and separation of variables . Applicable Anal , 8 : 253 – 263 .
- Marčenko , V. 1977 . Sturm-Liouville operators and their applications . Izd. Nauk. Dumka, Kiev , 8