@article{RSMUP_1985__74__219_0,
     author = {Miranda, Mario and Roberts, Stephen},
     title = {Lagrange multipliers and geometric measure theory},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {219--224},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {74},
     year = {1985},
     mrnumber = {818728},
     zbl = {0578.49029},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1985__74__219_0/}
}