@article {1988, title = {H-surfaces with obstacles. (Italian)}, journal = {Ann. Univ. Ferrara Sez. VII (N.S.) 34 (1988), 1-14}, number = {SISSA;9/87/M}, year = {1988}, publisher = {SISSA Library}, url = {http://hdl.handle.net/1963/491}, author = {Roberta Musina} }