Cioabă, S. M., A. Ostuni, D. Park, S. Potluri, T. Wakhare, and W. Wong. “Extremal Graphs for a Spectral Inequality on Edge-Disjoint Spanning Trees”. The Electronic Journal of Combinatorics, Vol. 29, no. 2, June 2022, p. P2.56, doi:10.37236/10350.