Xiao-Dong Zhang. Graphs with fourth Laplacian eigenvalue less than two. Eur. J. Comb., 24(6):617-630, 2003. [doi]
@article{Zhang03:27, title = {Graphs with fourth Laplacian eigenvalue less than two}, author = {Xiao-Dong Zhang}, year = {2003}, doi = {10.1016/S0195-6698(03)00069-6}, url = {http://dx.doi.org/10.1016/S0195-6698(03)00069-6}, tags = {graph-rewriting, rewriting}, researchr = {https://researchr.org/publication/Zhang03%3A27}, cites = {0}, citedby = {0}, journal = {Eur. J. Comb.}, volume = {24}, number = {6}, pages = {617-630}, }