@article{oai:repository.dl.itc.u-tokyo.ac.jp:00019075,
 author = {中川, 威雄},
 issue = {11},
 journal = {生産研究},
 month = {Nov},
 pages = {469--471},
 title = {論説 : 過当競争},
 volume = {43},
 year = {1991}
}