@inproceedings{ López,
author = { Esperanza López Centella } ,
title = { Duality theorem for groupoids and weak Hopf algebras },
booktitle = { Workshop on Categorical Studies of Quantum Symmetries and their Applications },
year = { 2012 },
pages = { None - None },
location = { Wigner Research Centre for Physics, HAS (Budapest, Hungary) },
}