%0 Journal Article
%A Alexander P. Ivanov
%A Nadezhda N. Erdakova
%T On a mechanical lens
%J Russian journal of nonlinear dynamics
%D 2012
%P 773-781
%V 8
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ND_2012_8_4_a6/
%G ru
%F ND_2012_8_4_a6