WILLIAMSON, R. E. (2001). Introduction to differential equations and dynamical systems. McGraw-Hill.
Čikaški stil citiranja (17. izdanje)WILLIAMSON, Richard E. Introduction to Differential Equations and Dynamical Systems. McGraw-Hill, 2001.
MLA način citiranja (8. izdanje)WILLIAMSON, Richard E. Introduction to Differential Equations and Dynamical Systems. McGraw-Hill, 2001.
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