Solution of linear systems of differential equations by the use of the method of successive approximations
M. Kwapisz (1961)
Annales Polonici Mathematici
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M. Kwapisz (1961)
Annales Polonici Mathematici
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Nikolas P. Karampetakis, Antonis I. G. Vardulakis, Ashley Clive Pugh (1995)
Kybernetika
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J. Friberg (1967)
Rendiconti del Seminario Matematico della Università di Padova
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Karel Sladký (1981)
Kybernetika
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Wadim Zudilin (2004)
Journal de Théorie des Nombres de Bordeaux
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A general hypergeometric construction of linear forms in (odd) zeta values is presented. The construction allows to recover the records of Rhin and Viola for the irrationality measures of and , as well as to explain Rivoal’s recent result on infiniteness of irrational numbers in the set of odd zeta values, and to prove that at least one of the four numbers , , , and is irrational.