Elementary real analysis \ 2026-02-16T10:40:21+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Lal, Bansi; Arora, Sanjay; Arora, Sudha (Satya Prakashan, 2005)