2002-2002
Rila Mosteiro, near Sofia, Bulgária:  During the visit to the 2002 International Conference: Constructive Function Theory      Sofia, Bulgária:  During the visit to the 2002 International Conference: Constructive Function Theory
Varna,  Bulgária:  At the visit to the 2002 International Conference: Constructive Function Theorym, in commemoration of the 70th anniversary of Prof. Blagovest Sendov.  Varna, Bulgária:  During the visit to the 2002 International Conference: Constructive Function Theory