Handbook of nonlinear partial differential equations 2026-02-15T22:42:36+03:00 DEBUG: VuFind\ILS\Driver\Folio: Token taken from global cache: eyJhbGciOiJIUzI1NiJ9.eyJzdWIiO... - Polianin, A. D. (Andrei Dmitrievich); Zaitsev, Valentin F. (Chapman & Hall/CRC, 2004)