%0 Journal Article
%A A. G. Petrashen
%A N. V. Sytenko
%T Laser generation without inversion on the fine levels of the helium atom
%J Nanosistemy: fizika, himiâ, matematika
%D 2016
%P 384-393
%V 7
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/NANO_2016_7_2_a10/
%G en
%F NANO_2016_7_2_a10