Simmons, G. F., & Krantz, S. G. (2007). Differential equations: Theory, technique, and practice. McGraw-Hill.
Lua i Stíl Chicago (17ú heag.)Simmons, George F., agus Steven G. Krantz. Differential Equations: Theory, Technique, and Practice. Boston, MA: McGraw-Hill, 2007.
Lua MLA (9ú heag.)Simmons, George F., agus Steven G. Krantz. Differential Equations: Theory, Technique, and Practice. McGraw-Hill, 2007.
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