@article{CM_1982__47_1_95_0, author = {Matsuzawa, Tadayuki and Tanno, Shukichi}, title = {Estimates of the first eigenvalue of a big cup domain of a 2-sphere}, journal = {Compositio Mathematica}, volume = {47}, year = {1982}, pages = {95-100}, mrnumber = {668783}, zbl = {0498.53033}, language = {en}, url = {http://dml.mathdoc.fr/item/CM_1982__47_1_95_0} }
Matsuzawa, Tadayuki; Tanno, Shukichi. Estimates of the first eigenvalue of a big cup domain of a 2-sphere. Compositio Mathematica, Tome 47 (1982) pp. 95-100. http://gdmltest.u-ga.fr/item/CM_1982__47_1_95_0/
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