@inproceedings{ López,

author = { Esperanza López Centella } ,

title = { Duality for groupoids and weak Hopf algebras },

booktitle = { Duality for groupoids and weak Hopf algebras },

year = { 2012 },

pages = { None - None },

location = { Department of Algebra - Alfréded Rényi Institute of Mathematics (Budapest, Hungary) },

}