@Article{ BarColMin16, author = { Baroni, Paolo and Colombo, Maria and Mingione, Giuseppe }, title = { Non-autonomous functionals, borderline cases and related function classes }, journal = { St. Petersburg Math. J. }, year = { 2016 }, doi = { 10.1090/spmj/1392 }, volume = { 27 }, number = { 3 }, pages = { 347-379 }, URL = { http://cvgmt.sns.it/paper/3772/ }, note = { cvgmt preprint} }