Perko, L. (1991). Differential equations and dynamical systems. Springer-Verlag.
シカゴスタイル引用形Perko, Lawrence. Differential Equations and Dynamical Systems. New York: Springer-Verlag, 1991.
MLA引用形式Perko, Lawrence. Differential Equations and Dynamical Systems. Springer-Verlag, 1991.
警告: この引用は必ずしも正確ではありません.