and some other constants.
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Sofo, Anthony (2005)
JIPAM. Journal of Inequalities in Pure & Applied Mathematics [electronic only]
В.А. Голубева (1979)
Sibirskij matematiceskij zurnal
И.М. Гельфанд, М.И. Граев (1989)
Matematiceskij sbornik
А.Ф. Никифоров, В.Б. Уваров (1975)
Matematiceskij sbornik
Н.С. Григoрьева (1972)
Zapiski naucnych seminarov Leningradskogo
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