🌐EnglishEnglishDeutschEspañolFrançaisNederlandsPolskiPortuguêsTiếng ViệtРусскийفارسی한국어中文日本語EntityQ1764144· pop 15· linked from 58 articlesSteiner tree problemclass of problems in combinatorial mathematicsAvailable in 14 languagesEspañolFrançaisDeutsch日本語РусскийPortuguêsHebrewNederlandsPolskiSerbianConnectionstime complexityEntityElsevierEntityCategoriesComputational problems in graph theoryGeometric algorithmsGeometric graphsNP-complete problemsTrees (graph theory)