حسن علياء عبد المحسن. 2014. “Calculation of One- Particle Redial Distribution Function and One- Particle Expectation Value for K(1S) Shell of He and Li Atoms by Using Correlated Function”. University of Thi-Qar Journal of Science 4 (4): 24-27. https://doi.org/10.32792/utq/utjsci/v4i4.655.