TY  - JOUR
AU  - S. V. Yushmanov
TI  - Metric properties of chordal and Ptolemaic graphs
JO  - Doklady Akademii Nauk
PY  - 1988
SP  - 296
EP  - 299
VL  - 300
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DAN_1988_300_2_a8/
LA  - ru
ID  - DAN_1988_300_2_a8
ER  -