Sfier

Sfier (frah Griik σφαῖρα — sphaira, "gluob, baal") a wah poerfek rong jaamechrikal abjek ina chrii-dimenshanal spies we a di soerfis a wah kompliit rong baal, (dat a, analagos tu wah soerkiula habjek ina tuu dimenshan).

Category:Matimatix