Fan R. K. Chung, Robert P. Langlands. A Combinatorial Laplacian with Vertex Weights. Journal of Combinatorial Theory, Series A, 75(2):316-327, 1996. [doi]
@article{ChungL96:0,
title = {A Combinatorial Laplacian with Vertex Weights},
author = {Fan R. K. Chung and Robert P. Langlands},
year = {1996},
doi = {10.1006/jcta.1996.0080},
url = {http://dx.doi.org/10.1006/jcta.1996.0080},
researchr = {https://researchr.org/publication/ChungL96%3A0},
cites = {0},
citedby = {0},
journal = {Journal of Combinatorial Theory, Series A},
volume = {75},
number = {2},
pages = {316-327},
}