author: Plageras, Panagiotis_or_Spyropoulos, Vasileios_or_Economou, Polychronis_or_Myloni%2C Varvara_or_Georgopoulos%2C Antonios_or_%CE%A3%CF%80%CF%85%CF%81%CF%8C%CF%80%CE%BF%CF%85%CE%BB%CE%BF%CF%82%2C %CE%92%CE%B1%CF%83%CE%AF%CE%BB%CE%B5%CE%B9%CE%BF%CF%82__eltype: 7subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCElang: el