Strongly regular graphs: Values of λ and μ for which there are only finitely many feasible ( v , k , λ , μ ) . Elzinga, Randall J. — 2003 ELA. The Electronic Journal of Linear Algebra [electronic only]
Weighted matrix eigenvalue bounds on the independence number of a graph. Elzinga, Randall J.; Gregory, David A. — 2010 ELA. The Electronic Journal of Linear Algebra [electronic only]