🌐EnglishEnglishBahasa IndonesiaDeutschEspañolFrançaisItalianoNederlandsPortuguêsSvenskaРусскийالعربية한국어中文日本語EntityQ913323· pop 22· linked from 201 articlesseparation of variablesmethodAvailable in 21 languagesEspañolFrançaisDeutsch中文日本語РусскийPortuguêsItalianoالعربيةBahasa IndonesiaConnectionsordinary differential equationEntitylinear differential equationEntityCategoriesOrdinary differential equationsPartial differential equations