[n] A. V. Koshelkin, “The Radiation Emission by a High Energy Electron-Positron Pair and Ultrarelativistic Hydrogen-Like Atom Moving Through Thick Target”, in Proc. PAC'93, Washington D.C., USA, Mar. 1993, pp. 1629-1632.
%\cite{Koshelkin:PAC93} \bibitem{Koshelkin:PAC93} A. V. Koshelkin, \textquotedblleft{The Radiation Emission by a High Energy Electron-Positron Pair and Ultrarelativistic Hydrogen-Like Atom Moving Through Thick Target}\textquotedblright, in \emph{Proc. PAC’93}, Washington D.C., USA, Mar. 1993, pp. 1629--1632.
@inproceedings{koshelkin:pac93, author = {A. V. Koshelkin}, title = {{The Radiation Emission by a High Energy Electron-Positron Pair and Ultrarelativistic Hydrogen-Like Atom Moving Through Thick Target}}, booktitle = {Proc. PAC'93}, pages = {1629--1632}, paper = {}, venue = {Washington D.C., USA, Mar. 1993}, publisher = {JACoW Publishing, Geneva, Switzerland}, language = {english} }