@ARTICLE{
author={Stanimirovic Predrag S,Katsikis Vasilios N,Zhang Zhijun,Li Shuai,Chen Jianlong,Zhou Mengmeng},
year={2020},
title={Varying-parameter Zhang neural network for approximating some expressions involving outer inverses},
journal={OPTIMIZATION METHODS & SOFTWARE},
volume={35},
number={6},
pages={1304-1330},
document_type={Article},
} 

@ARTICLE{
author={Zhou Mengmeng,Chen Jianlong,Stanimirovic Predrag S,Katsikis Vasilios N,Ma Haifeng},
year={2020},
title={Complex Varying-Parameter Zhang Neural Networks for Computing Core and Core-EP Inverse},
journal={NEURAL PROCESSING LETTERS},
volume={51},
number={2},
pages={1299-1329},
document_type={Article},
}