Spatially homogeneous universes with the anisotropic, Euclidean metric ds2 = d12 - A2(t)dx2 - B2(t)dy2 - W2(t)dz2 are studied in some detail. Matter with the equation of state PM = ~YPM and a uniform magnetic field, in various combinations, constitute the stress-energy tensor ~ The general solution for the case with no magnetic field is derived. This solution is used to construct several semi- realistic cosmological models of our Universe, in which are investigated (a) primordial element formation, (b) the time when anisotropies become small, and (c) possible temperature anisotropy of the observed 3° K cosmic microwave radiation
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Kenneth C. Jacobs (1968) studied this question.