TY - JOUR AU - Woronowicz, S. L. AU - Zakrzewski, S. TI - Quantum deformations of the Lorentz group. The Hopf-algebra level JO - Compositio Mathematica PY - 1994 SP - 211 EP - 243 VL - 90 IS - 2 PB - Kluwer Academic Publishers UR - http://www.numdam.org/item/CM_1994__90_2_211_0/ LA - en ID - CM_1994__90_2_211_0 ER -