Davey, B.B.DaveyKenig, C.C.KenigJENN-NAN WANG2019-10-282019-10-282017https://scholars.lib.ntu.edu.tw/handle/123456789/428509The Landis conjecture for variable coefficient second-order elliptic PDEsjournal article10.1090/tran/70732-s2.0-85026475287https://www.scopus.com/inward/record.uri?eid=2-s2.0-85026475287&doi=10.1090%2ftran%2f7073&partnerID=40&md5=cd9fa6feeb77ce412496acca593dcb06