Pedro G. Ferreira, Antonio L. Maroto, “A few cosmological implications of tensor nonlocalities”, Phys. Rev. D, 88, no. 12, 2013, 123502
A.G. Mirzabekian, G.A. Vilkovisky, V.V. Zhytnikov, “Partial summation of the nonlocal expansion for the gravitational effective action in 4 dimensions”, Physics Letters B, 369, no. 3-4, 1996, 215
Valeri Vardanyan, Yashar Akrami, Luca Amendola, Alessandra Silvestri, “On nonlocally interacting metrics, and a simple proposal for cosmic acceleration”, J. Cosmol. Astropart. Phys., 2018, no. 03, 2018, 048
A.G. Mirzabekian, G.A. Vilkovisky, “Particle Creation in the Effective Action Method”, Annals of Physics, 270, no. 2, 1998, 391
Xavier Calmet, Roberto Casadio, “The horizon of the lightest black hole”, Eur. Phys. J. C, 75, no. 9, 2015, 445
G. A. Vilkovisky, 737, String Theory and Fundamental Interactions, 2008, 729
Johanna Erdmenger, Hugh Osborn, “Conformally covariant differential operators: symmetric tensor fields”, Class. Quantum Grav., 15, no. 2, 1998, 273
Henrik Nersisyan, Yashar Akrami, Luca Amendola, Tomi S. Koivisto, Javier Rubio, Adam R. Solomon, “Instabilities in tensorial nonlocal gravity”, Phys. Rev. D, 95, no. 4, 2017, 043539
A.G Mirzabekian, G.A Vilkovisky, “Vacuum radiation in covariant perturbation theory”, Physics Letters B, 414, no. 1-2, 1997, 123
John F. Donoghue, Basem Kamal El-Menoufi, “Nonlocal quantum effects in cosmology: Quantum memory, nonlocal FLRW equations, and singularity avoidance”, Phys. Rev. D, 89, no. 10, 2014, 104062