Aija Berzina Andrej Dubrovsky Rusins Freivalds Lelde Lace Oksana Scegulnaja Quantum Query Complexity for Some Graph Problems. 140-150 http://dx.doi.org/10.1007/978-3-540-24618-3_11 2004 conf/sofsem/2004 SOFSEM db/conf/sofsem/sofsem2004.html#BerzinaDFLS04