M. Boiti.Meeting on Nonlinear Evolution Equations and Dynamical systems(1979 : Lecce):Nonlinear evolution equations and dynamical systems.Springer,1980.
Internation Conference on Trends in Senigriup Theory and Evolution Equations.Internation Conference on Trends in Senigriup Theory and Evolution Equations(2nd : 1989 : Delft):Semigrop Theory and Evolution Equations.Marcel Dekker,1991.