Multipole expansion
[ar] مفكوك متعدد الأقطاب
[de] Multipolentwicklung
[es] Desarrollo multipolar
[fr] Développement multipolaire
[hi] बहुध्रुव प्रसार
[it] Sviluppo in multipoli
[ko] 다중극 전개
[ky] Мультиполь
[pl] Rozwinięcie multipolowe
[pt] Expansão multipolar