Open AccessQuartis
Author(s) -
Maria Eugénia Graça Martins
Publication year - 2014
Publication title -
revista de ciência elementar
Language(s) - Uncategorized
Resource type - Journals
eISSN - 2183-9697
pISSN - 2183-1270
DOI - 10.24927/rce2014.268
Subject(s) - physics , combinatorics , mathematics