@article{ASNSP_1960_3_14_1_1_0,
     author = {Morrey, Charles B. Jr},
     title = {Multiple integral problems in the calculus of variations and related topics},
     journal = {Annali della Scuola Normale Superiore di Pisa - Scienze Fisiche e Matematiche},
     pages = {1--61},
     publisher = {Scuola normale superiore},
     volume = {Ser. 3, 14},
     number = {1},
     year = {1960},
     mrnumber = {115117},
     zbl = {0094.08104},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1960_3_14_1_1_0/}
}