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Robert Fricke
[ar] روبرت فريك
[arz] روبرت فريك
[azb] رابرت فریك
[ca] Robert Fricke
[de] Robert Fricke (Mathematiker)
[el] Ρόμπερτ Φρίκε
[es] Robert Fricke
[fr] Robert Fricke
[ht] Robert Fricke
[pt] Robert Fricke