Coddington, E. A., & Snoo, h. S. V. (1981). Regular boundary value problems associated with pairs of ordinary differential expressions. Springer.
Chicago-čujuhus (17. p.)Coddington, Earl A., juo hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Berlín: Springer, 1981.
MLA-čujuhus (9. p.)Coddington, Earl A., juo hendrik S. V. Snoo. Regular Boundary Value Problems Associated with Pairs of Ordinary Differential Expressions. Springer, 1981.
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