Jiri Fabera,Czechoslovak Conference on Differential Equations and Their Application.Czechoslovak Conference on Differential Equations and Their Application ( 4th : 1977 : Prague ):Equadiff IV.Springer,1979.
International Conference on Differential Equations and their Applications.International Conference on Differential Equations and their Applications (6th : 1985 : Brno):Equadiff 6 : proceedings.Springer,1986.