%0 Journal Article
%A Sh. M. Nagiyev
%A A. I. Akhmedov
%T Time evolution of quadratic quantum systems: Evolution operators, propagators, and invariants
%J Teoretičeskaâ i matematičeskaâ fizika
%D 2019
%P 451-472
%V 198
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TMF_2019_198_3_a4/
%G ru
%F TMF_2019_198_3_a4