@article{IM2_1998_62_4_a1,
     author = {D. P. Zhelobenko},
     title = {Differential operators and differential calculus in quantum groups},
     journal = {Izvestiya. Mathematics},
     pages = {673--694},
     year = {1998},
     volume = {62},
     number = {4},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/IM2_1998_62_4_a1/}
}