Coddington, E. A. (1961). An Introduction to Ordinary Differential Equations. Modern Book Centre.
Chicago-viite (17. p.)Coddington, E. A. An Introduction to Ordinary Differential Equations. Englewood Cliffs: Modern Book Centre, 1961.
MLA-viite (9. p.)Coddington, E. A. An Introduction to Ordinary Differential Equations. Modern Book Centre, 1961.
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