%0 Journal Article %A S. A. Fedotov %T Calculation of radiation intensity of a concentrated system of atoms %J Zapiski Nauchnykh Seminarov POMI %D 1988 %P 166-168 %V 169 %I mathdoc %U http://geodesic.mathdoc.fr/item/ZNSL_1988_169_a16/ %G ru %F ZNSL_1988_169_a16