@article{coupledfixedpointsforhardyrogerstypeof,
  title = {Coupled Fixed Points for Hardy-Rogers Type of Maps and Their Applications in the Investigations of Market Equilibrium in Duopoly Markets for Non-Differentiable, Nonlinear Response Functions},
  author = {S. Kabaivanov and V. Zhelinski and B. Zlatanov},
  year = {2021},
  eprint = {2110.01496},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2110.01496v1},
}