Osmanaj, R., D. Xhako, and N. Hyka. “Application of Gauss - Lanczos Algorithm to Determine Low Modes Density of Dirac Operator”. International Journal of Innovative Technology and Interdisciplinary Sciences, vol. 3, no. 2, May 2020, pp. 443-50, doi:10.15157/IJITIS.2020.3.2.443-450.