@article{ASNSP_1984_4_11_1_45_0,
     author = {Giaquinta, Mariano and Giusti, Enrico},
     title = {The singular set of the minima of certain quadratic functionals},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {45--55},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 11},
     number = {1},
     year = {1984},
     mrnumber = {752579},
     zbl = {0543.49018},
     language = {en},
     url = {http://www.numdam.org/item/ASNSP_1984_4_11_1_45_0/}
}