TY  - JOUR
AU  - D. A. Permyakov
TI  - Classification of immersions of graphs into a plane
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 2008
SP  - 55
EP  - 56
IS  - 5
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_2008_5_a10/
LA  - ru
ID  - VMUMM_2008_5_a10
ER  -