@article{oai:repository.dl.itc.u-tokyo.ac.jp:00024869, author = {渡邊, 勝 and 三井田, 純一}, issue = {6}, journal = {生産研究}, month = {Jun}, note = {application/pdf}, pages = {274--279}, title = {講座 : 微分解析機(1)}, volume = {2}, year = {1950} }