Gerhardt, C. (1983). H-surfaces in Lorentzian manifolds. Communications in mathematical physics, 89(4), . https://doi.org/10.1007/BF01214742
Chicago Style (17th ed.) CitationGerhardt, Claus. "H-surfaces in Lorentzian Manifolds." Communications in Mathematical Physics 89, no. 4 (1983). https://doi.org/10.1007/BF01214742.
MLA (9th ed.) CitationGerhardt, Claus. "H-surfaces in Lorentzian Manifolds." Communications in Mathematical Physics, vol. 89, no. 4, 1983, https://doi.org/10.1007/BF01214742.
Warning: These citations may not always be 100% accurate.