@article{10_4064_am_23_3_325_338,
     author = {Ludger R\"uschendorf},
     title = {Optimal solutions of multivariate coupling problems},
     journal = {Applicationes Mathematicae},
     pages = {325--338},
     publisher = {mathdoc},
     volume = {23},
     number = {3},
     year = {1996},
     doi = {10.4064/am-23-3-325-338},
     zbl = {0844.62047},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/am-23-3-325-338/}
}