Numerical study of halo concentrations in dark-energy cosmologiesK. Dolag, M. Bartelmann, F. Perrotta, C. Baccigalupi, L. Moscardini, M. Meneghetti and G. TormenA&A, 416 3 (2004) 853-864DOI: https://doi.org/10.1051/0004-6361:20031757