🌐EnglishEnglishEspañolFrançaisItalianoPortuguês한국어EntityQ611375· pop 5· linked from 12 articlesGSO projectionAlso known as Gliozzi–Scherk–Olive projectionRNS formalismAvailable in 5 languagesFrançaisPortuguêsItaliano한국어via Wikidata sitelinks · CC0ConnectionsInternational Standard Book NumberEntityspacetimeEntityCategoriesString theory