%0 Journal Article %A N. N. Bogolyubov (Jr.) %A A. S. Shumovskii %T Collective quantum effects in the problem of interaction of electromagnetic radiation with a~medium %J Informatics and Automation %D 1989 %P 79-88 %V 191 %I mathdoc %U http://geodesic.mathdoc.fr/item/TRSPY_1989_191_a6/ %G ru %F TRSPY_1989_191_a6