TY  - JOUR
AU  - V. N. Kalachev
TI  - On the Hartsfield–Ringel hypothesis: connected unigraphs
JO  - Trudy Instituta matematiki
PY  - 2014
SP  - 46
EP  - 52
VL  - 22
IS  - 2
UR  - http://geodesic.mathdoc.fr/item/TIMB_2014_22_2_a4/
LA  - ru
ID  - TIMB_2014_22_2_a4
ER  -