@article{TRSPY_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 = {Informatics and Automation},
     pages = {79--88},
     publisher = {mathdoc},
     volume = {191},
     year = {1989},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TRSPY_1989_191_a6/}
}