@article{品野藤井2019, author = {勇治 品野 and 浩一 藤井}, title = {使ってみよう線形計画ソルバ}, journal = {機関誌「オペレーションズ・リサーチ」}, volume = {64}, number = {4}, pages = {238 -- 245}, url = {https://orsj.org/wp-content/corsj/or64-4/or64_4_238.pdf}, year = {2019}, note = {in press} }