@article{oai:repository.dl.itc.u-tokyo.ac.jp:00023241, author = {坪井, 善勝 and 川股, 重也}, issue = {11}, journal = {生産研究}, month = {Nov}, note = {application/pdf}, pages = {454--457}, title = {研究速報 : 球形殼非対称曲げ理論の近似解}, volume = {12}, year = {1960} }