@article{ASNSP_1975_4_2_4_497_0,
     author = {Caffarelli, Luis A.},
     title = {Surfaces of minimum capacity for a knot},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {497--505},
     publisher = {Scuola normale superiore},
     volume = {Ser. 4, 2},
     number = {4},
     year = {1975},
     mrnumber = {393523},
     zbl = {0313.31014},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_1975_4_2_4_497_0/}
}