Nonlinear theories - Congresses.

New developments in differential equations = Proceedings of the Second Scheveningen Conference on Differential Equations, the Netherlands, August 25-29, 1975 / by: (Language materials, printed)

Trends in the theory and practice of non-linear analysis = proceedings of the VIth International Conference on Trends in the Theory and Practice of Non-Linear Analysis held at the University of Texas at Arlington, June 18-22, 1984 / by: (Language materials, printed)

Differential equations

Nonlinear theories

Mathematical analysis