@inproceedings{ López,

author = { Esperanza López Centella } ,

title = { Duality for groupoids and weak Hopf algebras: a categorical perspective },

booktitle = { XI Jornadas de Teoría de Anillos },

year = { 2012 },

pages = { None - None },

location = { Facultad de Ciencias, Universidad de Granada },

}