🌐EnglishEnglishFrançaisPortuguêsРусский日本語EntityQ4150685· pop 5· linked from 20 articlesBaumslag–Solitar groupclass of two-generator one-relator groupsAvailable in 5 languagesFrançaisРусскийHebrewUkrainianvia Wikidata sitelinks · CC0ConnectionsmathematicsEntitygroup theoryEntityCategoriesCombinatorial group theoryInfinite group theory