@article{oai:repository.dl.itc.u-tokyo.ac.jp:00048952,
 author = {IMAI, Hiroshi},
 issue = {4},
 journal = {IEICE TRANSACTIONS on Fundamentals of Electronics, Communications and Computer Sciences},
 month = {Apr},
 note = {Special Section PAPER (Special Issue on Discrete Mathematics and Its Applications)},
 pages = {665--668},
 title = {A Geometric Fitting Problem of Two Corresponding Sets of Points on a Line},
 volume = {E74-A},
 year = {1991}
}