@article{oai:tsukuba.repo.nii.ac.jp:00015855,
 author = {Takeuchi, Yoshie},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {7--11},
 title = {Factorization theorem for perfect maps between metrizable spaces},
 volume = {13},
 year = {1989}
}