Schaums outline of theory and problems of vector analysis and an introduction to tensor analysis 2026-02-15T18:33:49+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Spiegel, Murray R. (McGrawHill, 2002)