by Hall, Graham
Published in Arabian Journal of Mathematics (01.09.2019)

by Moraes, P.H.R.S., Correa, R.A.C., Lobato, R.V.
Published in Journal of cosmology and astroparticle physics (01.07.2017)

by Bender, Carl M, Brody, Dorje C, Jones, Hugh F, Meister, Bernhard K
Published in Physical review letters (26.01.2007)

by Linder, Eric V., Sengör, Gizem, Watson, Scott
Published in Journal of cosmology and astroparticle physics (23.05.2016)

by Kholmetskii, Alexander L., Yarman, Tolga, Yarman, Ozan, Arik, Metin
Published in Annals of physics (01.12.2019)

by Lucat, Stefano, Prokopec, Tomislav
Published in Journal of cosmology and astroparticle physics (26.10.2017)

by Li, Zilong, Bambi, Cosimo
Published in Journal of cosmology and astroparticle physics (01.03.2013)

by Horbatsch, M.W, Burgess, C.P
Published in Journal of cosmology and astroparticle physics (01.08.2011)

by Akarsu, Özgür, Dereli, Tekin
Published in Journal of cosmology and astroparticle physics (01.02.2013)

by Cardone, Vincenzo F, Camera, Stefano, Diaferio, Antonaldo
Published in Journal of cosmology and astroparticle physics (01.02.2012)

by Radinschi, Irina, Ciobanu, Brindusa
Published in AIP conference proceedings (29.05.2008)

by Fulling, S.A., Narcowhich, F.J.
Published in General Relativity and Gravitation; (United States) (01.01.1992)

by Maartens, Roy
Published in AIP conference proceedings (01.01.2004)

by Fayos, F, Jaén, X, Llanta, E, Senovilla, JM
Published in Physical review. D, Particles and fields (15.04.1992)

by Mikhail, Fahmy Ibrahim
Year of Publication 1952

by KOLASSIS, C, LUDWIG, G
Published in General relativity and gravitation (01.06.1993)

by Wasserman, I.
Published in The Astrophysical journal (15.08.1981)

by Noonan, Thomas W.
Published in The Astrophysical journal (01.08.1989)

by Wesson, P. S.
Published in The Astrophysical journal (01.08.1982)

by Kandrup, H. E.
Published in The Astrophysical journal (01.08.1982)