🌐EnglishEnglishDeutschEspañolFrançaisItalianoPortuguêsTürkçeРусский中文日本語EntityQ2103034· pop 13· linked from 66 articlespolynomial-time reductionmethod for solving one problem using anotherAvailable in 13 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoSerbianConnectionsgraph isomorphism problemEntityInternational Standard Book NumberEntityCategoriesReduction (complexity)