ANNALS OF OPERATIONS RESEARCH, 253 (1)., pp. 707-708. ISSN 0254-5330
Two short proofs regarding the logarithmic least squares optimality in Chen, K., Kou, G., Tarn, J. M., Song, Y. (2015): Bridging the gap between missing and inconsistent values in eliciting preference from pairwise comparison matrices
Solving the least squares method problem in the AHP for 3x3 and 4x4 matrices. (Working paper of the Laboratory of Operations Research and Decision Systems (LORDS) WP 2003-5.)