%0 Journal Article
%A P. E. Pushkar'
%T Generalization of the Chekanov Theorem. Diameters of Immersed Manifolds and Wave Fronts
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1998
%P 289-304
%V 221
%I mathdoc
%U http://geodesic.mathdoc.fr/item/TM_1998_221_a17/
%G ru
%F TM_1998_221_a17