- 
								[1]
								
C. Lanczos, Z. Phys., 73: 147 (1932)
 - 
								[2]
								
D. Lovelock (The Einstein Tensor and Its Generalizations), J. Math. Phys., 12: 498 (1971)
 - 
								[3]
								
P. G. Bergmann (Comments on the scalar-tensor theory), Int. J. Theor. Phys., 1: 25-36 (1968)
 - 
								[4]
								
H. A. Buchdahl (Non-linear Lagrangians and cosmological theory), Mon. Not. R. Astron. Soc., 150: 1-8 (1970)
 - 
								[5]
								
A. A. Starobinsky (A new type of isotropic cosmological models without singularity), Phy. Lett. B, 91: 99-102 (1980)
 - 
								[6]
								
A. De Felice and S. Tsujikawa (f(R) theories), Living Rev. Rel., 13: 3 (2010), arXiv:1002.4928
 - 
								[7]
								
Xin Hao, Liu Zhao (Ricci polynomial gravity), Phys. Rev. D, 96: 124034 (2017), arXiv:1512.01934
 - 
								[8]
								
B. R. Majhi, T. Padmanabhan, Phys. Rev. D, 86: 101501 (2012), arXiv:1204.1422
 - 
								[9]
								
B. R. Majhi, Adv. High Energy Phys., 386342 (2013), arXiv:1210.6736
 - 
								[10]
								
K. Meng, Z. N. Hu, and L. Zhao, Class. Quant. Grav., 31: 085017 (2014), arXiv:1403.1921
 - 
								[11]
								
Jun Li, Kun Meng, and Liu Zhao, Gen Relativ Gravit, 47: 116 (2015), arXiv:1509.00152
 - 
								[12]
								
J. D. Brown and M. Henneaux, Commun. Math. Phys., 104: 207-226 (1986)
 - 
								[13]
								
A. Strominger (Black hole entropy from near-horizon microstates), JHEP, 9802: 009, arXiv:hepth/9712251
 - 
								[14]
								
A. Strominger, Phys. Lett. B, 379: 99-104, arXiv:hepth/9601029
 - 
								[15]
								
S. Carlip, Phys. Rev. Lett., 82: 2828-2831 (1999), arXiv:hep-th/9812013
 - 
								[16]
								
S. Carlip, Class.Quant.Grav., 16: 3327-3348 (1999), arXiv:gr-qc/9906126
 - 
								[17]
								
J. L. Cardy, Nucl. Phys. B, 270: 186-204 (1986)
 - 
								[18]
								
M. Guica, T. Hartman W. Song et al, Phys. Rev. D, 80: 124008 (2009)
 - 
								[19]
								
R. M. Wald, Phys. Rev. D, 48: 3427-3431 (1993), arXiv:grqc/9307038
 - 
								[20]
								
M. F. Paulos, Phys. Rev. D, 82: 084042 (2010), arXiv:1005.1646
 - 
								[21]
								
M. Gurses, T. C. Sisman, and B. Tekin, Phys. Rev. D, 86: 024001 (2012), arXiv:1112.6346
 - 
								[22]
								
Y. Z. Li, H. S. Liu and H. Lu, JHEP, 02: 166 (2018), arXiv:1708.07198
 - 
								[23]
								
M. R. Mohammadi Mozaffffar, A. Mollabashi, M. M. Sheikh-Jabbari et al, Phys. Rev. D, 94(4): 046002 (2016), arXiv:1603.05713
 - 
								[24]
								
Jie Jiang (Surface term, corner term, and action growth in F(Riemann) gravitytheory), , arXiv:1806.10312
 - 
								[25]
								
R. X. Miao (A Note on Holographic Weyl Anomaly and Entanglement Entropy), Class. Quant. Grav., 31: 065009 (2014), arXiv:1309.0211
 - 
								[26]
								
H. Saida and J. Soda (Statistical entropy of BTZ black hole in higher curvature gravity), Phys. Lett. B, 471: 358 (2000), arXiv:gr-qc/9909061