Alexey G. Butkevich

Gaia astrometry for stars with too few observations. A Bayesian approach

Lennart Lindegren, David Hobbs, Daniel Michalik, 2015, 1507.02963.

Supercritically accreting stellar mass black holes as ultraluminous X-ray sources

Juri Poutanen, Alexey G. Butkevich, S. Fabrika, 2006, astro-ph/0609274.