\[\left(j_{1}(j_{1}+1)-j_{2}(j_{2}+1)-j_{3}(j_{3}+1)-2m_{2}m_{3}\right)\begin{%
pmatrix}j_{1}&j_{2}&j_{3}\\
m_{1}&m_{2}&m_{3}\end{pmatrix}=\left((j_{2}-m_{2})(j_{2}+m_{2}+1)(j_{3}-m_{3}+%
1)(j_{3}+m_{3})\right)^{\frac{1}{2}}\begin{pmatrix}j_{1}&j_{2}&j_{3}\\
m_{1}&m_{2}+1&m_{3}-1\end{pmatrix}+\left((j_{2}-m_{2}+1)(j_{2}+m_{2})(j_{3}-m_%
{3})(j_{3}+m_{3}+1)\right)^{\frac{1}{2}}\begin{pmatrix}j_{1}&j_{2}&j_{3}\\
m_{1}&m_{2}-1&m_{3}+1\end{pmatrix},\]