@ARTICLE{
author={Popovic Luka C,Afanasiev VL,Shablovinskaya Elena S,Ardilanov VI,Savic Djordje V},
year={2021},
title={Spectroscopy and polarimetry of the gravitationally lensed quasar Q0957+561},
journal={ASTRONOMY & ASTROPHYSICS},
volume={647},
number={},
pages={-},
document_type={Article},
}