@article{v007a008,
 author = {Pavel Hrube{\v{s}} and Amir Yehudayoff},
 title = {Arithmetic Complexity in Ring Extensions},
 year = {2011},
 pages = {119-129},
 doi = {10.4086/toc.2011.v007a008},
 publisher = {Theory of Computing},
 journal = {Theory of Computing},
 volume = {7},
 number = {1},
 URL = {http://www.theoryofcomputing.org/articles/v007a008},
}