• Moscow State University  (M.V. Lomonosov)
• E-mail: s.d.iliadis@gmail.com

2. Dimitis Georgiou

• University of Patras
• E-mail: georgiou@math.upatras.gr

3. Giannis Kougias

• Technological Educational Institute of Western Greece
• E-mail: kougias@teimes.gr

4. Athanasios Megaritis

• Technological Educational Institute of Western Greece
• E-mail: megariti@master.math.upatras.gr