| dr. Stelian Ion | "Gheorghe Mihoc-Caius Iacob" Institute of Mathematical Statistics and Applied Mathematics of Romanian Academy | Calea 13 Septembrie, nr. 13, 050711 Bucharest, ROMANIA Phone/Fax (4021)3182439, |
| dr. Alin Pohoata | Valahia Univesity, Targoviste, | Aleea Sinaia, nr. 13, cod postal 130004, Targoviste, ROMANIA Phone: +40 769/076871, |
| ecuson |