Variational Principles in Mathematical Physics, Geometry, and Economics: Qualitative Analysis of Nonlinear Equations and Unilateral Problems: 136 ... and its Applications, Series Number 136)

Variational Calculus - 9783031183065

Variational Principle of Extremum in Electromechanical Systems

Calculus of Variations: An Introduction to the One-Dimensional Theory with Examples and Exercises: 67 (Texts in Applied Mathematics, 67)

Variational Analysis and Generalized Differentiation I: Basic Theory: 330 (Grundlehren der mathematischen Wissenschaften, 330)