47 citations · 256 across the 18 of their papers we have counts for
1 paper · 1 filter
Alexey V. Sergeyev, Alexander P. Zheleznyak, Vyacheslav N. Shalyapin +1
Optically bright, wide separation double (gravitationally lensed) quasars can be easily monitored, leading to light curves of great importance in determining the Hubble constant an…