On the CR analogue of Obata's theorem in a pseudohermitian 3-manifold

SHU-CHENG CHANGChiu, Hung-LinHung-LinChiu2019-10-282019-10-2820090025-5831https://scholars.lib.ntu.edu.tw/handle/123456789/428535On the CR analogue of Obata's theorem in a pseudohermitian 3-manifoldjournal article10.1007/s00208-009-0339-3WOS:000267684700004