@inproceedings{ LLENA,
author = { DAVID LLENA CARRASCO } ,
title = { Hyper L-Shapes for an Embeding dimension four numerical semigroup. How many are there? },
booktitle = { Internacional Meeting on Numerical Semigroups Cortona 2014 },
year = { 2014 },
pages = { None - None },
location = { CORTONA (ITALIA) },
}