Marek Demiański, Zdzislaw Golda, Waldemar Puszkarz, “Dynamics of theD-dimensional FRW-cosmological models within the superstring-generated gravity model”, Gen Relat Gravit, 23, no. 8, 1991, 917
G. Francisco, G. E. A. Matsas, “Qualitative and numerical study of bianchi IX models”, Gen Relat Gravit, 20, no. 10, 1988, 1047
C. G. Hewitt, R. Bridson, J. Wainwright, “The Asymptotic Regimes of Tilted Bianchi II Cosmologies”, General Relativity and Gravitation, 33, no. 1, 2001, 65
Yves De Rop, “Qualitative approach of the general vacuum Bianchi VI and VII cosmological models near the singularity”, Gen Relat Gravit, 21, no. 12, 1989, 1213
Egbert Brieskorn, Wissenschaft zwischen Qualitas und Quantitas, 2003, 243
Claudio A. Buzzi, Jaume Llibre, “No periodic orbits for the type A Bianchi's systems”, JNMP, 22, no. 2, 2021, 170
J Mark Heinzle, Hans Ringström, “Future asymptotics of vacuum Bianchi type VI0solutions”, Class. Quantum Grav., 26, no. 14, 2009, 145001
Hans J. Haubold, Jan P. Muecket, “The dynamical behaviour of aN-shell model for an expanding universe”, Astrophys Space Sci, 199, no. 2, 1993, 175
H.K. Teryan, “On the Role of Scalar Fields in the Evolutionary Development of the Early Universe”, A. J. P., 2023, 66
Olga S. Rozanova, Marko K. Turzynski, 230, Differential and Difference Equations with Applications, 2018, 387