@Article{ ROBLES_ROSALES:459024-1-459024-9,
author = { AURELIANO MATÍAS ROBLES PÉREZ and JOSE CARLOS ROSALES GONZALEZ } ,
title = { The numerical semigroup of phrases' lengths in a simple alphabet },
journal = { The Scientific World Journal },
year = { 2013 },
volume = { 2013 },
pages = { 459024-1-459024-9 },
doi = { http://www.hindawi.com/journals/tswj/2013/459024/ },
}