Williamson, R. E. (1997). Introduction to differential equations and dynamical systems. The McGraw Hill Companies, Inc.
Citace podle Chicago (17th ed.)Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. New York: The McGraw Hill Companies, Inc, 1997.
Citace podle MLA (9th ed.)Williamson, Richard E. Introduction to Differential Equations and Dynamical Systems. The McGraw Hill Companies, Inc, 1997.
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