John Ginsburg. A coloring problem on chordal rings. Ars Comb., 45, 1997.
@article{Ginsburg97:0,
title = {A coloring problem on chordal rings},
author = {John Ginsburg},
year = {1997},
researchr = {https://researchr.org/publication/Ginsburg97%3A0},
cites = {0},
citedby = {0},
journal = {Ars Comb.},
volume = {45},
}