@article{article425,
  title = {The Existence of Positive Solutions and A Lyapunov Type Inequality for Boundary Value Problems of the Fractional Caputo-Fabrizio Differential Equations},
  author = {TOPRAKSEVEN, Å.},
  journal = {Sigma Journal of Engineering and Natural Sciences},
  year = {2019},
  volume = {37},
  pages = {1129-1137},
  doi = {}
}