%0 Journal Article
%T Propagation of a Light pulse in a Resonantly amplifying (absorbing) medium
%A P. G. Kryukov
%A V. S. Letokhov
%I Physics-Uspekhi
%D 1970
%J Phys. Usp.
%V 12
%N 5
%P 641-672
%U https://ufn.ru/en/articles/1970/5/c/
%U https://doi.org/10.1070/PU1970v012n05ABEH003957