@article {1989,
	title = {Surfaces of minimal area enclosing a given body in  R\\\\sp 3.},
	journal = {Ann. Scuola Norm. Sup. Pisa Cl. Sci. (4)  16  (1989),  no. 3, 331--354 (1990).},
	number = {SISSA;23/88/M},
	year = {1989},
	publisher = {SISSA Library},
	url = {http://hdl.handle.net/1963/619},
	author = {Giovanni Mancini and Roberta Musina}
}
