Brauer, F., & Nohel, J. A. (1967). Ordinary differential equations: A first course. W.A. Benjamin.
Lua i Stíl Chicago (17ú heag.)Brauer, Fred, agus John A. Nohel. Ordinary Differential Equations: A First Course. New York: W.A. Benjamin, 1967.
Lua MLA (8ú heag.)Brauer, Fred, agus John A. Nohel. Ordinary Differential Equations: A First Course. W.A. Benjamin, 1967.
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