1. Czerwik, S: Nonlinear set-valued contraction mappings in b-metric spaces. Atti Semin. Mat. Fis. Univ. Modena 46, 263-276 (1998)
2. Singh, SL, Czerwik, S, Król, K, Singh, A: Coincidences and fixed points of hybrid contractions. Tamsui Oxf. J. Math. Sci. 24, 401-416 (2008)
3. Suzuki, T: Generalized metric spaces do not have the compatible topology. Abstr. Appl. Anal. 2014, Article ID 458098 (2014)
4. Suzuki, T: The strongly compatible topology on ν-generalized metric spaces. Rev. R. Acad. Cienc. Exactas Fís. Nat., Ser. A Mat. (2017). doi:
10.1007/s13398-017-0380-0
5. Suzuki, T, Alamri, B, Kikkawa, M: Only 3-generalized metric spaces have a compatible symmetric topology. Open Math. 13, 510-517 (2015)