@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) },

}