\cdots+\int_{-R}^{-\varepsilon}\frac{g(-t)}{h(-t)(1-3t)^2}(-\hbox{d}t)+\cdots
=\cdots+\int_{-R}^{-\varepsilon}\frac{\ln|-t|+i\cdot 2\pi}{\root 3\of{|-t|}\cdot e^{i\frac{2\pi}3}(1-3t)^2}(-\hbox{d}t)+\cdots