Introducing metric spaces : a problem-oriented uncluttered friendly approach 2026-02-16T11:25:20+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Arora, Sanjay; Lal, Bansi (Satya Prakashan, 2009)