@article{CM_1994__90_2_211_0,
     author = {Woronowicz, S. L. and Zakrzewski, S.},
     title = {Quantum deformations of the {Lorentz} group. {The} {Hopf-algebra} level},
     journal = {Compositio Mathematica},
     pages = {211--243},
     publisher = {Kluwer Academic Publishers},
     volume = {90},
     number = {2},
     year = {1994},
     mrnumber = {1266253},
     zbl = {0798.16026},
     language = {en},
     url = {http://www.numdam.org/item/CM_1994__90_2_211_0/}
}