Berman C, Wang W. Formulae for ı-divided powers in U_q(sl_2), II. 2021.
See also:
Papers Published
NOTES
Progress in Math. 337, Birkhauser, pp.181--243, 2021. arxiv:1806.00878
Progress in Math. 337, Birkhauser, pp.181--243, 2021. arxiv:1806.00878