Coddington, E. A., & Snoo, h. S. V. (1981). Regular boundary value problems associated with pairs of ordinary differential expressions. Springer.
Chicago (17e ed.) BronvermeldingCoddington, Earl A., en hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Berlín: Springer, 1981.
MLA (9e ed.) BronvermeldingCoddington, Earl A., en hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Springer, 1981.
Let op: Deze citaties zijn niet altijd 100% accuraat.