A. Aggarwal, A. Bar-noy, S. Khuller, D. Kravets, and B. Schieber, Efficient minimum cost matching using quadrangle inequality, Proceedings., 33rd Annual Symposium on Foundations of Computer Science, pp.583-592, 1992.
DOI : 10.1109/SFCS.1992.267793

R. Mccann, Exact solutions to the transportation problem on the line, Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences, vol.455, issue.1984, pp.1341-1380, 1984.
DOI : 10.1098/rspa.1999.0364

J. Delon, J. Salomon, and A. , Sobolevski? ?. Local matching indicators for concave transport costs

J. Delon, J. Salomon, and A. , Sobolevski? ?. Fast transport optimization for Monge costs on the circle, p.362834, 2009.