@article{05695252, title = {A class of weak Hopf algebras.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2010}, year = {2010}, doi = {10.1155/2010/520762}, zbl = {1189.16026}, language = {en}, url = {http://dml.mathdoc.fr/item/05695252} }
Cheng, Dongming. A class of weak Hopf algebras.. International Journal of Mathematics and Mathematical Sciences, Tome 2010 (2010) . doi : 10.1155/2010/520762. http://gdmltest.u-ga.fr/item/05695252/