Diederik Korteweg
[azb] دیدریک کورتوق
[ca] Diederik Korteweg
[cs] Diederik Korteweg
[de] Diederik Johannes Korteweg
[es] Diederik Korteweg
[fa] دیدریک کورتوگ
[fr] Diederik Korteweg
[nl] Diederik Johannes Korteweg
[pt] Diederik Korteweg
[ru] Кортевег, Дидерик