TY - JOUR AU - A. M. Semikhatov TI - A differential $\mathscr U$-module algebra for $\mathscr{U}=\overline{\mathscr U}_{\mathfrak{q}}s\ell(2)$ at an~even root of unity JO - Teoretičeskaâ i matematičeskaâ fizika PY - 2009 SP - 5 EP - 33 VL - 159 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TMF_2009_159_1_a0/ LA - ru ID - TMF_2009_159_1_a0 ER -