@article{BSMF_1967__95__375_0,
     author = {D'Ambrosio, Ubiratan},
     title = {Semicontinuity of multiple integrals of the calculus of variations in parametric form},
     journal = {Bulletin de la Soci\'et\'e Math\'ematique de France},
     pages = {375--384},
     publisher = {Soci\'et\'e math\'ematique de France},
     volume = {95},
     year = {1967},
     doi = {10.24033/bsmf.1657},
     mrnumber = {37 #6806},
     zbl = {0155.44401},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/bsmf.1657/}
}