@Misc{ BiCoCrSp17, author = { Bianchini, Stefano and Colombo, Maria and Crippa, Gianluca and Spinolo, Laura Valentina }, title = { Optimality of integrability estimates for advection-diffusion equations }, journal = { }, year = { 2017 }, pages = { }, URL = { http://cvgmt.sns.it/paper/3332/ }, note = { cvgmt preprint} }