TY - JOUR AU - Rhin, Georges AU - Viola, Carlo TI - On the irrationality measure of $\zeta (2)$ JO - Annales de l'Institut Fourier PY - 1993 SP - 85 EP - 109 VL - 43 IS - 1 PB - Institut Fourier PP - Grenoble UR - http://www.numdam.org/articles/10.5802/aif.1322/ DO - 10.5802/aif.1322 LA - en ID - AIF_1993__43_1_85_0 ER -