2022 (1) 2018 (1) 2017 (1) 2016 (1) 2014 (3) 2012 (3) 2011 (2) 2010 (2) 2006 (2) 2003 (1) 1998 (1) 1995 (1) 1992 (1) 1991 (1) 1985 (1) 1983 (1) 1979 (1) 1977 (1) 1974 (1)

G. Micula; Paraschiva Pavel (2) Harold Thayer Davis (2) R.P. Agarwal; Donal O'Regan (2) Józef Banas; Mohammad Mursaleen (2) Paul Sacks (1) Collins Peter J. (1) Arthur G. Werschulz (1) Peter J. Collins (1) Hans-Jürgen Reinhardt (1) Deuflhard (1) C. Corduneanu (1) Krein (1) V. K. Dzyadyk (1) Saïd Abbas; Mouffak Benchohra; John R. Graef; Johnny Henderson (1) Eman Ziada; Ahmed El-Sayed (1) Mariam Abushammala (1) Tarek El-Sheshtawy; Hassan El-Hawary; Salah E El-Gendi (1) S. Schwabik; M. Tvrdý; O. Vejvoda (1) Feliz Manuel Minhos; Robert De Sousa (1)