@ARTICLE{
author={Patle Pradip,Vujakovic Jelena,Patel Deepesh Kumar,Radenovic Stojan N},
year={2019},
title={Caristi, Nadler and H+-Type Contractive Mappings and Their Fixed Points in theta-Metric Spaces},
journal={SYMMETRY-BASEL},
volume={11},
number={4},
pages={-},
document_type={Article},
} 

@ARTICLE{
author={Dosenovic Tatjana M,Kumam Poom,Gopal Dhananjay,Patel Deepesh Kumar,Takaci Aleksandar A},
year={2013},
title={On fixed point theorems involving altering distances in Menger probabilistic metric spaces},
journal={JOURNAL OF INEQUALITIES AND APPLICATIONS},
volume={},
number={},
pages={-},
document_type={Article},
}