TY  - RPRT
TI  - Comment on "Nonperturbative (but approximate) method for solving differential equations and finding limit cycles"
AU  - HH Denman
PY  - 1994
DO  - 10.1103/physrevlett.72.3734
UR  - https://pubmed.ncbi.nlm.nih.gov/10056276/
ID  - 10056276
ER  -