%0 Journal Article
%A V. M. Miklyukov
%T On a Lorentz-invariant characteristic of maximal tubes in the
%J Doklady Akademii Nauk
%D 1992
%P 233-236
%V 322
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1992_322_2_a4/
%G ru
%F DAN_1992_322_2_a4