%0 Journal Article
%A V. S. Kulikov
%T On the Equation F($\cos$x,$\sin$x) = 0, F($z_1$,$z_2$) Being a Quadratic Polynomia
%J Matematičeskoe obrazovanie
%D 1999
%P 35-40
%V 11
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MO_1999_11_4_a3/
%G ru
%F MO_1999_11_4_a3