Equadiff 6 : proceedings of the International Conference on Differential Equations and their Applications, held in Brno, Czechoslovakia, Aug. 26-30, 1985 - Vosmanský, J. (Jaromír), 1934-; Zlámal, M. (Miloš), 1924- (Lecture notes in mathematics (Springer-Verlag) ;, 1986)