Braun, M. (1941). Differential equations and their applications: An introduction to applied mathematics (2nd.). Springer - verlag.
Lua i Stíl Chicago (17ú heag.)Braun, Martin. Differential Equations and Their Applications: An Introduction to Applied Mathematics. 2nd. New York: Springer - verlag, 1941.
Lua MLA (9ú heag.)Braun, Martin. Differential Equations and Their Applications: An Introduction to Applied Mathematics. 2nd. Springer - verlag, 1941.
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