@ARTICLE{
author={Tran Van An,Nguyen Van Dung,Kadelburg Zoran L,Radenovic Stojan N},
year={2015},
title={Various generalizations of metric spaces and fixed point theorems},
journal={REVISTA DE LA REAL ACADEMIA DE CIENCIAS EXACTAS FISICAS Y NATURALES SERIE A-MATEMATICAS},
volume={109},
number={1},
pages={175-198},
document_type={Article},
} 

@ARTICLE{
author={Nguyen Van Dung,Nguyen Trung Hieu,Radojevic Slobodan},
year={2014},
title={Fixed Point Theorems for g-Monotone Maps on Partially Ordered S-Metric Spaces},
journal={FILOMAT},
volume={28},
number={9},
pages={1885-1898},
document_type={Article},
}