Greenberg, M. D. (2012). Ordinary differential equations. Wiley.
Lua i Stíl Chicago (17ú heag.)Greenberg, Michael D. Ordinary Differential Equations. Hoboken, New Jersey: Wiley, 2012.
Lua MLA (9ú heag.)Greenberg, Michael D. Ordinary Differential Equations. Wiley, 2012.
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