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Cosmological constant in a model with superstring-inspired E ₆ unification and shadow θ-particles

C. R. Das, L. V. Laperashvili and A. Tureanu

Eur. Phys. J. C, 66 1-2 (2010) 307-324

DOI: https://doi.org/10.1140/epjc/s10052-009-1229-2

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