TY  - JOUR
AU  - Aida Abiad
AU  - Willem H Haemers
TI  - Cospectral graphs and regular orthogonal matrices of level 2
JO  - The electronic journal of combinatorics
PY  - 2012
VL  - 19
IS  - 3
UR  - http://geodesic.mathdoc.fr/articles/10.37236/2383/
DO  - 10.37236/2383
ID  - 10_37236_2383
ER  -