ΛCDM-model with δ-function
..., Elizalde E., Yurov A. V. The Cosmological Constant as an Eigenvalue of a Sturm-Liouville Problem // Astrophysics and Space Science, Astrophys Space Sci (2014) 349: 25.
https://doi.org/10.1007/s10509-013-1606-z
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Yurov V. A., Chirikov R. V.
standard model, cosmological constant, singularity
109-115