Smítalová, Kristína: Delay makes problems in population modelling.
and Zlámal, Miloš (eds.): Equadiff 6.
Proceedings of the International Conference on Differential Equations and Their Applications held in Brno, Czechoslovakia, Aug. 26 - 30, 1985.
J. E. Purkyně University, Department of Mathematics, Brno, 1986.
Smítalová, Kristína: On chaos in difference and differential-difference equations.
Greguš, Michal (ed.): Equadiff 5.
Proceedings of the Fifth Czechoslovak Conference on Differential Equations and Their Applications held in Bratislava, August 24-28, 1981.
BSB B.G. Teubner Verlagsgesellschaft, Leipzig, 1982.