M. O. Katanaev, W. Kummer, H. Liebl, “Geometric interpretation and classification of global solutions in generalized dilaton gravity”, Phys. Rev. D, 53, no. 10, 1996, 5609
ANDRZEJ BOROWIEC, MAURO FRANCAVIGLIA, IGOR VOLOVICH, “TOPOLOGY CHANGE AND SIGNATURE CHANGE IN NON-LINEAR FIRST-ORDER GRAVITY”, Int. J. Geom. Methods Mod. Phys., 04, no. 04, 2007, 647
S. Ichinose, N. Tsuda, T. Yukawa, “Classical solution of two dimensional R2-gravity and cross-over phenomenon”, Nuclear Physics B, 445, no. 2-3, 1995, 295
W. Kummer, G. Tieber, “Universal conservation law and modified Noether symmetry in 2D models of gravity with matter”, Phys. Rev. D, 59, no. 4, 1998, 044001
Marco Ferraris, Mauro Francaviglia, Igor Volovich, “A Model of Affine Gravity in Two Dimensions and Plurality of Topology”, Int. J. Mod. Phys. A, 12, no. 28, 1997, 5067
W. Kummer, P. Widerin, “Conserved quasilocal quantities and general covariant theories in two dimensions”, Phys. Rev. D, 52, no. 12, 1995, 6965
A. Aurilia, A. Smailagic, E. Spallucci, “Conformalp-branes as a source of structure in spacetime”, Phys. Rev. D, 51, no. 8, 1995, 4410
W. Kummer, D.V. Vassilevich, “Hawking radiation from dilaton gravity in 1 + 1 dimensions: a pedagogical review”, Annalen der Physik, 511, no. 10, 1999, 801
S. N. Solodukhin, “Higher derivative gravity in two dimensions”, Phys. Rev. D, 51, no. 2, 1995, 591
Andrzej Borowiec, Marco Ferraris, Mauro Francaviglia, Igor Volovich, “Universality of the Einstein equations for Ricci squared Lagrangians”, Class. Quantum Grav., 15, no. 1, 1998, 43