@article{MM2_1985__51_155063,
     author = {Paolo Marcellini},
     title = {Approximation of {Quasiconvex} {Functions,} and {Lower} {Semicontinuity} of {Multiple} {Integrals.}},
     journal = {Manuscripta mathematica},
     pages = {1--28},
     publisher = {mathdoc},
     volume = {51},
     year = {1985},
     zbl = {0573.49010},
     url = {http://geodesic.mathdoc.fr/item/MM2_1985__51_155063/}
}