J. F. Macias-Perez, Phillip Helbig, R. Quast, A. Wilkinson & R. D. Davies
"Gravitational lensing statistics with extragalactic surveys. IV. Joint constraints on $\lambda_{0}$ and $\Omega_{0}$ from gravitational lensing statistics and CMB anisotropies "
A&A, 353, 2, 419–426 (January (II) 2000)
ADS: 2000A&A...353..419M | Google Scholar