APA

Peitgen H., Unger H. & Summer School and Conference on Functional Differential Equations and Approximation of Fixed Points. (1979). Functional differential equations and approximation of fixed points. Berlin: Springer.

Chicago

Peitgen Heinz-Otto, Unger Heinz and Summer School and Conference on Functional Differential Equations and Approximation of Fixed Points. 1979. Functional differential equations and approximation of fixed points. Berlin: Springer.

Harvard

Peitgen H., Unger H. and Summer School and Conference on Functional Differential Equations and Approximation of Fixed Points. (1979). Functional differential equations and approximation of fixed points. Berlin: Springer.

MLA

Peitgen Heinz-Otto, Unger Heinz and Summer School and Conference on Functional Differential Equations and Approximation of Fixed Points. Functional differential equations and approximation of fixed points. Berlin: Springer. 1979.