Orbifold compactification and solutions of M-theory from Milne spaces A. A. Bytsenko, M. E. X. Guimarães and R. Kerner Eur. Phys. J. C, 39 4 (2005) 519-524 Published online: 15 February 2005 DOI: 10.1140/epjc/s2005-02117-1