subjectTerm: I. MATHEMATICS AND COMPUTER SCIENCE_or_II. NATURAL SCIENCES AND AGRICULTURAL SCIENCESauthor: Perivolaropoulos, Leandros_or_Vasileiadis, Nikolaos_or_Papanikolaou, Georgios_or_Koumpis, Alexandros_or_Sakellariou, Ilias_or_������������������������, ����������������__eltype: 108lang: el