TY  - JOUR
AU  - K. I. Oblakov
TI  - Non-existence of distinct codirected locally minimal trees on a plane
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2009
SP  - 21
EP  - 25
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2009_2_a4/
LA  - ru
ID  - VMUMM_2009_2_a4
ER  -