Vasek Chvátal, Herbert Fleischner, J. Sheehan, Carsten Thomassen. Three-regular subgraphs of four-regular graphs. Journal of Graph Theory, 3(4):371-386, 1979. [doi]
@article{ChvatalFST79,
title = {Three-regular subgraphs of four-regular graphs},
author = {Vasek Chvátal and Herbert Fleischner and J. Sheehan and Carsten Thomassen},
year = {1979},
doi = {10.1002/jgt.3190030408},
url = {http://dx.doi.org/10.1002/jgt.3190030408},
researchr = {https://researchr.org/publication/ChvatalFST79},
cites = {0},
citedby = {0},
journal = {Journal of Graph Theory},
volume = {3},
number = {4},
pages = {371-386},
}