TY  - JOUR
AU  - Bo  Ning
AU  - Mingqing Zhai
TI  - Counting substructures and eigenvalues. II: Quadrilaterals
JO  - The electronic journal of combinatorics
PY  - 2025
VL  - 32
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.37236/12725/
DO  - 10.37236/12725
ID  - 10_37236_12725
ER  -