@article{v006a001,
 author = {Andris Ambainis},
 title = {A New Quantum Lower Bound Method, with an Application to a Strong Direct Product Theorem for Quantum Search},
 year = {2010},
 pages = {1-25},
 doi = {10.4086/toc.2010.v006a001},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {6},
 number = {1},
 URL = {http://www.theoryofcomputing.org/articles/v006a001},
}