@misc{indiciaebea6e69a7b1e,
  title = {[Several problems in modeling the respiratory center. I. Defining the problem].},
  author = {I A Keder-Stepanova and A N Chetaev},
  url = {https://pubmed.ncbi.nlm.nih.gov/719023/},
  note = {Source identifier: 719023}
}