%0 Journal Article
%A L. V. Keldysh
%T Topological imbedding in $E^3$ of simple arcs and closed contours
%J Doklady Akademii Nauk
%D 1969
%P 513-516
%V 185
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1969_185_3_a5/
%G ru
%F DAN_1969_185_3_a5