- Satoshi Matsuda, Shigenori Seki, “Gravitational stability and screening effect from D extra timelike dimensions”, Nuclear Physics B, 599, № 1-2, 2001, 119

- Novica Blažić, Neda Bokan, Zoran Rakić, “Foliation of a dynamically homogeneous neutral manifold”, Journal of Mathematical Physics, 39, № 11, 1998, 6118

- I.Ya. Aref'eva, I.V. Volovich, “Quantum group particles and non-archimedean geometry”, Physics Letters B, 268, № 2, 1991, 179

- James Overduin, Space, Time, and Spacetime, 2010, 25

- I.V. Volovich, “Baby universes and the dimensionality of spacetime”, Physics Letters B, 219, № 1, 1989, 66

- Rodrigo Maier, Francesco Pace, Ivano Damião Soares, “Bounded scalar perturbations in bouncing brane world cosmologies”, Phys. Rev. D, 88, № 10, 2013, 106003

- Jun Yan, “New cosmological solutions with AdS
3
×S
1
×S
3
×S
3
compactification of superstring”, Chinese Phys. Lett., 4, № 10, 1987, 473

- Vladimir Dzhunushaliev, Vladimir Folomeev, Masato Minamitsuji, “Thick brane solutions”, Rep. Prog. Phys., 73, № 6, 2010, 066901

- Vladimir D Ivashchuk, Vitaly N Melnikov, “Multi-temporal generalization of the Tangherlini solution”, Class. Quantum Grav., 11, № 7, 1994, 1793

- T.A. Ivanova, A.D. Popov, “Soliton equations and self-dual gauge fields”, Physics Letters A, 170, № 4, 1992, 293
