TY  - RPRT
TI  - Problems on periodic simple continued fractions.
AU  - P Chowla
AU  - S Chowla
PY  - 1972
DO  - 10.1073/pnas.69.12.3745
UR  - https://pubmed.ncbi.nlm.nih.gov/16592042/
ID  - 16592042
ER  -