@article{TM_1989_191_a6, author = {N. N. Bogolyubov (Jr.) and A. S. Shumovskii}, title = {Collective quantum effects in the problem of interaction of electromagnetic radiation with a~medium}, journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova}, pages = {79--88}, publisher = {mathdoc}, volume = {191}, year = {1989}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/TM_1989_191_a6/} }