Nonlinear variational problems and partial differential equations Proceedings - Marino Antonio ed.; International Conference on Nonlinear Variational Problems and Partial Differential Equations( 3rd : 1990 : Italy ); International Conference on Nonlinear Variational Problems and Partial Differential Equations 3rd , Italy 1990 (Harlow Longman Scientific & Technical, 1995)
Keywords: Calculus; Nonlinear variational problems