In memoriam Kurt Reidemeister.
In memoriam M. Métivier
In memoriam Mario Dolcher.
In memoriam of Associate Professor Ph. D. Luciana Lupaş.
In memoriam of Ivan Saxl
In memoriam of Jan Kadlec
In memoriam of Jiří Likeš
In memoriam of Professor Josef Novák
In memoriam: Pál Erdős (March 26, 1913 – September 20, 1996).
In memoriam Peter Hess, 1941-1992.
In memoriam: Philippe Flajolet, the father of analytic combinatorics
In memoriam: Philippe Flajolet, the father of analytic combinatorics
In memoriam Prof. RNDr. Karel Černý
In memoriam Prof. Vojtěch Jarník (22.12.1897--22.9.1970)
In memoriam profesora dr. Bohumila Kučery
In memoriam profesora Miloslava Hampla
In memoriam profesora Miloslava Hampla
In memoriam Professor Jan Mařík (1920–1994)
In memoriam Professor Jindřich Nečas
In memoriam Professor Jiří Fábera, corresponding member of the Czechoslovak Academy of Sciences