Chimento, L. (2003). Internal symmetry in Bianchi type-I cosmologies. https://doi.org/10.1103/PhysRevD.68.023504
Cita Chicago Style (17a ed.)Chimento, L.P. Internal Symmetry in Bianchi Type-I Cosmologies. 2003. https://dx.doi.org/10.1103/PhysRevD.68.023504.
Cita MLA (8a ed.)Chimento, L.P. Internal Symmetry in Bianchi Type-I Cosmologies. 2003.
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