TY  - JOUR
AU  - A. B. Merkov
TI  - Second-order elliptic equations on graphs
JO  - Sbornik. Mathematics
PY  - 1986
SP  - 493
EP  - 509
VL  - 55
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/SM_1986_55_2_a11/
LA  - en
ID  - SM_1986_55_2_a11
ER  -