%0 Journal Article
%A Yu. N. Smirnov
%T Lines of equal values of $\mu$ in the instability zones for the Mathieu equation
%J Doklady Akademii Nauk
%D 1968
%P 546-547
%V 178
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1968_178_3_a10/
%G ru
%F DAN_1968_178_3_a10