@article{oai:tsukuba.repo.nii.ac.jp:00017257,
 author = {Charatonik, Janusz Jerzy and Charatonik, Wlodzimierz J.},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Oct},
 pages = {245--252},
 title = {Induced MO-mappings},
 volume = {23},
 year = {1999}
}