Citazione Stile APA (7a Edizione)

Petryshyn, W. V. (1993). Approximation solvability of nonlinear funcional and diferential equations. Marcel Dekker.

Citazione stile Chigago Style (17a edizione)

Petryshyn, Wolodymyr V. Approximation Solvability of Nonlinear Funcional and Diferential Equations. Nueva York: Marcel Dekker, 1993.

Citatione MLA (9a ed.)

Petryshyn, Wolodymyr V. Approximation Solvability of Nonlinear Funcional and Diferential Equations. Marcel Dekker, 1993.