%0 Journal Article
%A T. V. Dubrovina
%A N. I. Dubrovin
%T Roots in the universal covering group of the unimodular $2\times2$-matrix group
%J Fundamentalʹnaâ i prikladnaâ matematika
%D 2000
%P 757-776
%V 6
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/FPM_2000_6_3_a8/
%G ru
%F FPM_2000_6_3_a8