@article {2004, title = {The role of the spectrum of the Laplace operator on \\\\S2 in the H-bubble problem}, journal = {J. Anal. Math. 94 (2004) 265-291}, number = {SISSA;30/2003/M}, year = {2004}, publisher = {Hebrew University Magnes Press}, doi = {10.1007/BF02789050}, url = {http://hdl.handle.net/1963/2894}, author = {Roberta Musina} }