DL
https://blog.csdn.net/qq_19329785/article/details/84504722
https://blog.csdn.net/errors_in_life/article/details/65950699

CF
推导
https://blog.csdn.net/sgfmby1994/article/details/68490903
https://www.cnblogs.com/YiXiaoZhou/p/5925019.html
数学
https://blog.csdn.net/shenxiaolu1984/article/details/50884830
hog
https://zhuanlan.zhihu.com/p/33059421

HCF翻译
https://blog.csdn.net/susansmile1014/article/details/77550090

大神博论
https://blog.csdn.net/greatstriker/article/details/87937978