359 citations · 1.2k across the 38 of their papers we have counts for
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astro-ph2008★ 8 cited
Q2237+0305 in X-rays: spectra and variability with XMM-Newton
E. V. Fedorova, V. I. Zhdanov, C. Vignali +1
X-ray observations of gravitationally lensed quasars may allow us to probe the inner structure of the central engine of a quasar. Observations of Q2237+0305 (Einstein Cross) in X-r…
astro-ph2008★ 3 cited
Cosmological scalar fields that mimic the cosmological model
V. I. Zhdanov, G. Ivashchenko
We look for cosmologies with a scalar field (dark energy without cosmological constant), which mimic the standard cosmological model yielding exactly the same large-scale ge…