TY  - RPRT
TI  - Degree of Approximation by Polynomials-Problem alpha.
AU  - W E Sewell
PY  - 1937
DO  - 10.1073/pnas.23.9.491
UR  - https://pubmed.ncbi.nlm.nih.gov/16577801/
ID  - 16577801
ER  -