@article{PORMA_1998__55_3_48104,
     author = {Yang, S. and Wang, D.},
     title = {Normal smash products.},
     journal = {Portugaliae mathematica},
     pages = {323--331},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {1998},
     zbl = {0910.16014},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48104/}
}