TY  - RPRT
TI  - CLUSTER SETS AT ISOLATED AND NONISOLATED SINGULARITIES.
AU  - H T Mathews
PY  - 1965
DO  - 10.1073/pnas.53.6.1264
UR  - https://pubmed.ncbi.nlm.nih.gov/16578600/
ID  - 16578600
ER  -