Citação norma APA

Papageorgiou, N., & Staicu, V. (1000). The method of upper-lower solutions for nonlinear second order differential inclusions.

Citação norma Chicago

Papageorgiou, Nikolaos, and Vasile Staicu. The Method of Upper-lower Solutions for Nonlinear Second Order Differential Inclusions. 1000.

Citação norma MLA

Papageorgiou, Nikolaos, and Vasile Staicu. The Method of Upper-lower Solutions for Nonlinear Second Order Differential Inclusions. 1000.

Nota: a formatação da citação pode não corresponder 100% ao definido pela respectiva norma.