1、2 - Financial Markets with Continuous Time-
https://doi.org/10.1016/B978-1-78548-046-1.50002-8
2、Filtration (probability theory)-https://handwiki.org/wiki/Filtration_(probability_theory)#:~:text=A%20filtration%20F%20%3D%20%28F%20i%29%20i%20%E2%88%88,%E2%88%88%20I.%20%28The%20converse%20is%20not%20necessarily%20true.%29
3、知乎：https://www.zhihu.com/question/20606081
See https://www.zhihu.com/question/20606081
