Zudilin, W. On the irrationality measure of \(\pi^2\). (English. Russian original) Zbl 1286.11111 Russ. Math. Surv. 68, No. 6, 1133-1135 (2013); translation from Usp. Mat. Nauk 68, No. 6, 171-172 (2013). MSC: 11J82 Measures of irrationality and of transcendence 11J72 Irrationality; linear independence over a field 11Y60 Evaluation of number-theoretic constants 33C20 Generalized hypergeometric series, \({}_pF_q\) 33C60 Hypergeometric integrals and functions defined by them (\(E\), \(G\), \(H\) and \(I\) functions) Keywords:irrationality measure; irrationality exponent; hypergeometric approximation PDF BibTeX XML Cite \textit{W. Zudilin}, Russ. Math. Surv. 68, No. 6, 1133--1135 (2013; Zbl 1286.11111); translation from Usp. Mat. Nauk 68, No. 6, 171--172 (2013) Full Text: DOI OpenURL