TY  - RPRT
TI  - ON COVERING A CIRCLE BY RANDOMLY PLACED ARCS.
AU  - A Dvoretzky
PY  - 1956
DO  - 10.1073/pnas.42.4.199
UR  - https://pubmed.ncbi.nlm.nih.gov/16589849/
ID  - 16589849
ER  -