@ARTICLE{
author={Karapinar Erdal,Mitrovic Zoran D,Ozturk Ali,Radenovic Stojan N},
year={2021},
title={On a theorem of Ciric in<i>b</i>-metric spaces},
journal={RENDICONTI DEL CIRCOLO MATEMATICO DI PALERMO},
volume={70},
number={1},
pages={217-225},
document_type={Article},
} 

@ARTICLE{
author={Karapinar Erdal,Ozturk Ali,Rakocevic Vladimir R},
year={2021},
title={A fixed point theorem for a system of Pachpatte operator equations},
journal={AEQUATIONES MATHEMATICAE},
volume={95},
number={2},
pages={245-254},
document_type={Article},
}