On the fixed point of (ψ-φ)-weak and generalized (ψ-φ)-weak contraction mappings

@article{Moradi2012OnTF,
  title={On the fixed point of (ψ-φ)-weak and generalized (ψ-φ)-weak contraction mappings},
  author={Sirous Moradi and Ali P. Farajzadeh},
  journal={Appl. Math. Lett.},
  year={2012},
  volume={25},
  pages={1257-1262}
}