The Black Hole in Three Dimensional Spacetime by Máximo Bañados and others (1992 journal publication, 10.1103/PhysRevLett.69.1849)

By Máximo Bañados, Claudio Teitelboim and Jorge Zanelli. Physical Review Letters 69, 1849–1851 (1992). The author names follow the published byline; the arXiv v3 upload is dated 2001 and reproduces the published version.

Cited passages: equations (1)–(3), negative cosmological constant, lapse/shift metric and horizon roots; discussion after equation (6), horizon thermodynamics; final geometric discussion, locally anti-de Sitter solution with discrete identifications. The article's entropy normalization sets its gravitational coupling; restore G when comparing perimeter entropy formulas.