Eigenfunction expansions associated with second-order differential equations
Edward Charles Titchmarsh.
Oxford : Clarendon Press, 1946-58.
2 vols. ; 25 cm.
Biblioteca personal del Dr. J. A. Balseiro. Donación Dr. Carlos Balseiro.
No se presta.
Bibliografía: v. 1, p. [172]-175; v. 2, p. [385]-404.