TY  - JOUR
AU  - A. A. Makhnev
AU  - D. V. Paduchikh
TI  - On extensions of strongly regular graphs with eigenvalue 4
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2015
SP  - 233
EP  - 255
VL  - 21
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2015_21_3_a24/
LA  - ru
ID  - TIMM_2015_21_3_a24
ER  -