Mathematical analysis and numerical methods for science and technology. 2026-02-16T10:40:19+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Dautray, Robert; Lions, Jacques Louis (Springer-Verlag, 2000)