期刊名称:Akademos: Revista de Ştiinţă, Inovare, Cultură şi Artă
印刷版ISSN:1857-0461
出版年度:2018
卷号:49
期号:2
页码:26-33
出版社:Academy of Sciences of Moldova
关键词:discrete mathematics; convexity; graphs; complex of multi;ary relations; center problem; median problem;
transitively orientable graphs; information security; encryption systems;