@article{RSMUP_2003__110__97_0,
     author = {Bressan, Alberto},
     title = {A lemma and a conjecture on the cost of rearrangements},
     journal = {Rendiconti del Seminario Matematico della Universit\`a di Padova},
     pages = {97--102},
     publisher = {Seminario Matematico of the University of Padua},
     volume = {110},
     year = {2003},
     mrnumber = {2033002},
     zbl = {1114.05002},
     language = {en},
     url = {http://www.numdam.org/item/RSMUP_2003__110__97_0/}
}