Marco Ferraris, Mauro Francaviglia, Igor Volovich, “The universality of vacuum Einstein equations with cosmological constant”, Class. Quantum Grav., 11, no. 6, 1994, 1505
M. O. Katanaev, “All universal coverings of two-dimensional gravity with torsion”, Journal of Mathematical Physics, 34, no. 2, 1993, 700
Mikhail Orionovich Katanaev, “Математические основы общей теории относительности. Часть 2”, Лекционные курсы НОЦ, 29, 2018, 3
M. O. Katanaev, “Conformal invariance, extremals, and geodesics in two-dimensional gravity with torsion”, Journal of Mathematical Physics, 32, no. 9, 1991, 2483
W Kummer, D J Schwarz, “Two-dimensional R 2 -gravity with torsion”, Class. Quantum Grav., 10, no. S, 1993, S235
D. Grumiller, W. Kummer, D.V. Vassilevich, “Dilaton gravity in two dimensions”, Physics Reports, 369, no. 4, 2002, 327
D. Grumiller, D. Hofmann, W. Kummer, “Two-Dilaton Theories in Two Dimensions from Dimensional Reduction”, Annals of Physics, 290, no. 2, 2001, 69
CONSTANTIN BIZDADEA, EUGEN-MIHĂIŢĂ CIOROIANU, SILVIU CONSTANTIN SĂRARU, “COUPLINGS BETWEEN A COLLECTION OF BF MODELS AND A SET OF THREE-FORM GAUGE FIELDS”, Int. J. Mod. Phys. A, 21, no. 31, 2006, 6477
W. Kummer, P. Widerin, “Conserved quasilocal quantities and general covariant theories in two dimensions”, Phys. Rev. D, 52, no. 12, 1995, 6965
Wolfgang Kummer, Dominik J. Schwarz, “General analytic solution ofR2gravity with dynamical torsion in two dimensions”, Phys. Rev. D, 45, no. 10, 1992, 3628