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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)
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