Advanced engineering mathematics 2026-02-15T20:47:18+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Kreyszig, Erwin; Kreyszig, Herbert; Norminton, E. J. (Wiley ; John Wiley distributor, 2011)