Williamson, R. E. (1997). Introduction to Differential Equations and Dynamical Systems. McGrew-Hill.
Chicago-стиль цитированияWilliamson, Richard E. Introduction to Differential Equations and Dynamical Systems. McGrew-Hill, 1997.
MLA-цитированиеWilliamson, Richard E. Introduction to Differential Equations and Dynamical Systems. McGrew-Hill, 1997.
Предупреждение: эти цитированмия не могут быть всегда правильны на 100%.