@article{10_4064_cm109_1_7,
     author = {Wolfgang Rump},
     title = {Generalized radical rings,
 unknotted biquandles, and quantum groups},
     journal = {Colloquium Mathematicum},
     pages = {85--100},
     publisher = {mathdoc},
     volume = {109},
     number = {1},
     year = {2007},
     doi = {10.4064/cm109-1-7},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm109-1-7/}
}