@article{oai:air.repo.nii.ac.jp:00004668,
 author = {萬, 伸介 and 島森, 哲男 and 安孫子, 啓 and 青野, 哲大 and YOROZU, Shinsuke and SHIMAMORI, Tetsuo and ABIKO, Hiraku and AONO, Tetsuhiro},
 issue = {42},
 journal = {東北数学教育学会年報, Journal of Tohoku Society of Mathematics Education},
 month = {Mar},
 pages = {63--73},
 title = {気仙沼市の観音寺算額について(1) : その概要とそこから作られる数学の問題},
 year = {2011}
}