Basic algebraic geometry. 2026-02-15T18:20:47+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Shafarevich, I. R. (Igor' Rostislavovich), 1923- (Springer-Verlag, 1994)