1. The exact solution of the period is got by using the first kind of complete ellipticintegral.
应用第一类完全椭圆积分求出了非线性振动周期的精确解。
来自互联网
2. This paper discusses Xia's achievements on the integral problem about quadratic curve, some of which were similar to modern ellipticintegral and surpassed the level of Dai-wei-ji.
3. This paper discusses Xia's achievements on the integral problem about quadratic curve, some of which were similar to modern ellipticintegral and surpassed the level of Dai-wei-ji.