%0 Journal Article %A K. K. Grigoryan %T Momentum of an electromagnetic wave in time-varying dielectric media %J Proceedings of the Yerevan State University. Physical and mathematical sciences %D 2021 %P 148-152 %V 55 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/UZERU_2021_55_2_a5/ %G en %F UZERU_2021_55_2_a5