%0 Journal Article
%A S. V. Yushmanov
%T Metric properties of chordal and Ptolemaic graphs
%J Doklady Akademii Nauk
%D 1988
%P 296-299
%V 300
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/DAN_1988_300_2_a8/
%G ru
%F DAN_1988_300_2_a8