@article{oai:tsukuba.repo.nii.ac.jp:00016292,
 author = {Mikawa, Hiroshi},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {299--310},
 title = {On the sum of a prime and a square},
 volume = {17},
 year = {1993}
}