Ablikim, M Observation of a charged charmoniumlike structure in e+ e- → (D* D*)± π∓ at √s = 4.26 GeV. [electronic resource] - Physical review letters Apr 2014 - 132001 p. digital Publication Type: Journal Article ISSN: 1079-7114 Standard No.: 10.1103/PhysRevLett.112.132001 doi