@article{oai:ipsj.ixsq.nii.ac.jp:00008865,
 author = {飛沢, 清子},
 issue = {3},
 journal = {情報処理},
 month = {May},
 title = {対称行列の逆行列を求めるプログラム},
 volume = {6},
 year = {1965}
}