Serigne Gueye, Philippe Michelon. A linear formulation with $O(n^2)$ variables for quadratic assignment problems with Manhattan distance matrices.
EURO Journal on Computational Optimization, Springer, 2015, 3 (2), pp.79-110.
⟨10.1007/s13675-014-0033-4⟩.
⟨hal-02455903⟩