Hirotada Kobayashi François Le Gall Harumichi Nishimura Martin Rötteler General Scheme for Perfect Quantum Network Coding with Free Classical Communication. 622-633 2009 ICALP (1) http://dx.doi.org/10.1007/978-3-642-02927-1_52 conf/icalp/2009-1 db/conf/icalp/icalp2009-1.html#KobayashiGNR09