@Article{ NovYan21, author = { Novack, Michael and Yan, Xiaodong }, title = { Nonlinear approximation of 3D smectic liquid crystals: sharp lower bound and compactness }, journal = { Calculus of Variations and Partial Differential Equations }, year = { 2022 }, pages = { }, URL = { http://cvgmt.sns.it/paper/5546/ }, note = { cvgmt preprint} }