🌐العربيةEnglishEspañolItalianoTürkçeРусскийالعربية中文EntityQ2279929· pop 9· linked from 9 articlesمعادلة لوميلphysics function introduced by Eugen von LommelAvailable in 9 languagesEspañol中文РусскийItalianoCatalanRomanianTürkçeUkrainianvia Wikidata sitelinks · CC0ConnectionsBessel functionEntityInternational Standard Book NumberEntityCategoriesOrdinary differential equationsSpecial functionsTemplate SpringerEOM with broken ref