Žilinskas, Julius. “Multidimensional Scaling With city‐block Distances Based on Combinatorial Optimization and Systems of Linear Equations”. Mathematical Modelling and Analysis 14, no. 2 (June 30, 2009): 259-270. Accessed November 22, 2024. https://jest.vgtu.lt/index.php/MMA/article/view/6547.