Guido Magnano, “Nonlinear Gravitational Lagrangians revisited”, Int. J. Geom. Methods Mod. Phys., 13, № 08, 2016, 1640006
Renan B. Magalhães, Luís C. B. Crispino, Gonzalo J. Olmo, “Compact objects in quadratic Palatini gravity generated by a free scalar field”, Phys. Rev. D, 105, № 6, 2022, 064007
L. FATIBENE, M. FERRARIS, M. FRANCAVIGLIA, S. MERCADANTE, “FURTHER EXTENDED THEORIES OF GRAVITATION: PART II”, Int. J. Geom. Methods Mod. Phys., 07, № 05, 2010, 899
Lorenzo Fatibene, Simon Garruto, “Extended gravity”, Int. J. Geom. Methods Mod. Phys., 11, № 07, 2014, 1460018
Gonzalo J Olmo, “Palatini actions and quantum gravity phenomenology”, J. Cosmol. Astropart. Phys., 2011, № 10, 2011, 018
Gonzalo J. Olmo, D. Rubiera-Garcia, “Importance of torsion and invariant volumes in Palatini theories of gravity”, Phys. Rev. D, 88, № 8, 2013, 084030
D. Vassiliev, “Quadratic metric‐affine gravity”, Annalen der Physik, 517, № 4, 2005, 231
Daniel Coumbe, “Asymptotically Weyl-invariant gravity”, Int. J. Mod. Phys. A, 34, № 31, 2019, 1950205
Christian Dioguardi, Antonio Racioppi, Eemeli Tomberg, “Beyond (and back to) Palatini quadratic gravity and inflation”, J. Cosmol. Astropart. Phys., 2024, № 03, 2024, 041
Gianluca Allemandi, Andrzej Borowiec, Mauro Francaviglia, “Accelerated cosmological models in first-order nonlinear gravity”, Phys. Rev. D, 70, № 4, 2004, 043524