Cronin, Jane
Differential equations: introduction and qualitative theory
"New York: Marcel Dekker, 1994",
 Buku Teks SO
Muller-Pfeiffer, Erich
Spectral theory of ordinary differentials operators
Ellis Horwood, 1981
 Buku Teks SO
Coddington, Earl A.
An introduction to ordinary differential equations
Dover, 1989
 Buku Teks SO
Ross, Shepley L.
Introduction to ordinary differential equations
John Wiley & Sons, 1980
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Manougian, Manoug N.
Ordinary differential equations: an introduction / Manoug N. Manougian, Robert A. Northcutt
Charles E Merril, 1973
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