TY - JOUR AU - W. V. Zudilin TI - On the irrationality measure for a~$q$-analogue of $\zeta(2)$ JO - Sbornik. Mathematics PY - 2002 SP - 1151 EP - 1172 VL - 193 IS - 8 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/SM_2002_193_8_a2/ LA - en ID - SM_2002_193_8_a2 ER -