TY  - JOUR
AU  - Matsuzawa, Tadayuki
AU  - Tanno, Shukichi
TI  - Estimates of the first eigenvalue of a big cup domain of a 2-sphere
JO  - Compositio Mathematica
PY  - 1982
SP  - 95
EP  - 100
VL  - 47
IS  - 1
PB  - Martinus Nijhoff Publishers
UR  - http://archive.numdam.org/item/CM_1982__47_1_95_0/
LA  - en
ID  - CM_1982__47_1_95_0
ER  -