Chinese 欧拉函数 Cited by user K1234567890y on 09 Jan 2024 {{Otheruses|subject=小於等於n的正整數中與n互質的數的數目|other=形式為的所有单位元组成的乘法群)的阶. 这个性质与拉格朗日定理一起構成了欧拉定理的證明.
Spanish Función φ de Euler Cited by user Wiki LIC on 26 Sep 2022 [[Archivo:EulerPhi.svg|thumb|300px|right|Los primeros mil valores de para todo a coprimo con n.
English Erdős–Szemerédi theorem Cited by user 213.142.97.249 on 09 Jul 2021 The Erdős–Szemerédi theorem in arithmetic combinatorics states that for every finite set