@Misc{ NGU18, author = { Nguyen, Quoc-Hung }, title = { Quantitative estimates for regular Lagrangian flows with $BV$ vector fields }, journal = { Comm. Pure Appl. Math. }, year = { 2018 }, pages = { 50 }, URL = { http://cvgmt.sns.it/paper/3848/ }, note = { cvgmt preprint} }