Coddington, E. A., & Snoo, h. S. V. (1981). Regular boundary value problems associated with pairs of ordinary differential expressions. Springer.
Citação norma ChicagoCoddington, Earl A., and hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Berlín: Springer, 1981.
Citação norma MLACoddington, Earl A., and hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Springer, 1981.
Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.