Back to matchesWe found a matchYour institution may have access to this item. Find your institution then sign in to continue.TitleEditor's note.AuthorsTonchev, Vladimir D.SubjectsCOMBINATORICS; MOBILE communication systems; MATHEMATICAL periodicalsPublicationJournal of Algebra Combinatorics Discrete Structures & Applications, 2017, Vol 4, Issue 3, p125ISSN2148-838XPublication typeArticle