Willam Ted Martin, & Eric Reissner. (1964). Elementary Differential Equations. American: Addison Wesley.
استشهاد بنمط شيكاغوWillam Ted Martin, و Eric Reissner. Elementary Differential Equations. American: Addison Wesley, 1964.
MLA استشهادWillam Ted Martin, و Eric Reissner. Elementary Differential Equations. American: Addison Wesley, 1964.
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