Ross, Shepley L.
Differential equations
McGraw-Hill, 1984
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Agnew, Ralph Palmer
Differential equations
McGraw-Hill, 1160
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Ross, Shepley L.
Differential equations
Xerox College Publishing, 1964
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Differential equations
edited by M. Farkas
North-Holland, 1977
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Coddington, Earl A.
An introduction to ordinary differential equations
Dover, 1989
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