@article{AIF_1993__43_1_85_0, author = {Rhin, Georges and Viola, Carlo}, title = {On the irrationality measure of $\zeta (2)$}, journal = {Annales de l'Institut Fourier}, pages = {85--109}, publisher = {Institut Fourier}, address = {Grenoble}, volume = {43}, number = {1}, year = {1993}, doi = {10.5802/aif.1322}, mrnumber = {1209696}, zbl = {0776.11036}, language = {en}, url = {https://aif.centre-mersenne.org/articles/10.5802/aif.1322/} }