Variational Methods in Nonlinear Analysis: Optimization and Partial Differential Equations Applications (De Gruyter Textbook)

Variational methods for Nonlinear fractional systems

Variational and Topological Methods in the Study of Nonlinear Phenomena: 49 (Progress in Nonlinear Differential Equations and Their Applications, 49)

Methods in Nonlinear Plasma Theory

Control Theory: Multivariable and Nonlinear Methods