Aija Berzina Andrej Dubrovsky Rusins Freivalds Lelde Lace Oksana Scegulnaja Quantum Query Complexity for Some Graph Problems. 140-150 http://springerlink.metapress.com/openurl.asp?genre=article&issn=0302-9743&volume=2932&spage=140 2004 conf/sofsem/2004 SOFSEM db/conf/sofsem/sofsem2004.html#BerzinaDFLS04