J Res Natl Bur Stand (1977). 1978 Sep-Oct;83(5):485-487. doi: 10.6028/jres.083.033.
Journal of research of the National Bureau of Standards (1977)
J M McNamee
PMID: 34566001 PMCID: PMC6764503 DOI: 10.6028/jres.083.033
A paper by Shier (J. Res NBS
Keywords: Sparse equations; tree partitions