Your search returned 3 results.

1.
Complementary variational principles, by Arthurs, A. M. Publication: Oxford [Eng.] Clarendon Press, 1970 . ix, 95 p. 24 cm. Date: 1970 Availability: Items available: Synge Collection Fenian Street Stores [S277] (1),
2.
Eigenfunction expansions associated with second-order differential equations. by Titchmarsh, E. C. Publication: Oxford, Clarendon Press, 1946 . 2 v. 25 cm. Date: 1946 Availability: Items available: School of Theoretical Physics Fenian Street Stores [515.41 B (pt. 1)] (1), School of Theoretical Physics Library [515.41 TIT (pt. 2)] (1), Synge Collection Fenian Street Stores [S314 (pt. 1)] (1),
3.
Eigenfunction expansions associated with second-order differential equations. by Titchmarsh, E. C. Publication: Oxford, Clarendon Press, 1962 . v. 24 cm. Date: 1962 Availability: Items available: School of Theoretical Physics Library [515.41 TIT (pt. 1) (2nd ed.)] (1),