@misc{A._K._Sen_A,
 author={A. K. Sen},
 address={Երևան},
 howpublished={online},
 publisher={ՀՀ ԳԱԱ հրատ.},
 title={A more exact expression for the gravitational deflection of light, derived using material medium approach},
 type={Հոդված},
 keywords={Physics, Astrophysics, Science},
}