TY - JOUR AU - Bressan, Alberto TI - A lemma and a conjecture on the cost of rearrangements JO - Rendiconti del Seminario Matematico della Università di Padova PY - 2003 DA - 2003/// SP - 97 EP - 102 VL - 110 PB - Seminario Matematico of the University of Padua UR - http://archive.numdam.org/item/RSMUP_2003__110__97_0/ UR - https://zbmath.org/?q=an%3A1114.05002 UR - https://www.ams.org/mathscinet-getitem?mr=2033002 LA - en ID - RSMUP_2003__110__97_0 ER -