@article{RSMUP_1982__66__129_0,
     author = {Barozzi, E. and Massari, U.},
     title = {Regularity of minimal boundaries with obstacles},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {129--135},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {66},
     year = {1982},
     mrnumber = {664576},
     zbl = {0494.49030},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_1982__66__129_0/}
}