Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_2007_81_3_a2, author = {W. V. Zudilin}, title = {Quadratic {Transformations} and {Guillera's} {Formulas} for~$1/\pi^2$}, journal = {Matemati\v{c}eskie zametki}, pages = {335--340}, publisher = {mathdoc}, volume = {81}, number = {3}, year = {2007}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_2007_81_3_a2/} }
W. V. Zudilin. Quadratic Transformations and Guillera's Formulas for~$1/\pi^2$. Matematičeskie zametki, Tome 81 (2007) no. 3, pp. 335-340. http://geodesic.mathdoc.fr/item/MZM_2007_81_3_a2/