Liming Cai, Michael R. Fellows, David W. Juedes, Frances A. Rosamond. The Complexity of Polynomial-Time Approximation. Theory Comput. Syst., 41(3):459-477, 2007. [doi]
@article{CaiFJR07,
title = {The Complexity of Polynomial-Time Approximation},
author = {Liming Cai and Michael R. Fellows and David W. Juedes and Frances A. Rosamond},
year = {2007},
doi = {10.1007/s00224-007-1346-y},
url = {http://dx.doi.org/10.1007/s00224-007-1346-y},
researchr = {https://researchr.org/publication/CaiFJR07},
cites = {0},
citedby = {0},
journal = {Theory Comput. Syst.},
volume = {41},
number = {3},
pages = {459-477},
}