Hercher, C. (2025). On Positive Integers $n$ with $ϕ(n)=\frac{2}{3} \cdot (n+1)$.
Cita Chicago Style (17a ed.)Hercher, Christian. On Positive Integers $n$ with $ϕ(n)=\frac{2}{3} \cdot (n+1)$. 2025.
Cita MLA (9a ed.)Hercher, Christian. On Positive Integers $n$ with $ϕ(n)=\frac{2}{3} \cdot (n+1)$. 2025.
Precaución: Estas citas no son 100% exactas.