author: Spyropoulos, Vasileios_or_Perivolaropoulos, Leandros_or_Vasileiadis, Ioannis_or_Karachaliou%2C Angeliki_or_Antoniadis%2C Ioannis_or_%CE%91%CE%BD%CF%84%CF%89%CE%BD%CE%B9%CE%AC%CE%B4%CE%B7%CF%82%2C %CE%99%CF%89%CE%AC%CE%BD%CE%BD%CE%B7%CF%82__elsubjectTerm: I. MATHEMATICS AND COMPUTER SCIENCElang: el