Table of integrals, series, and products 2026-02-15T17:44:03+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Gradshtein, I. S.; Jeffrey, Alan; Ryzhik, I. M. (Academic Press, 2000)