@article{oai:tsukuba.repo.nii.ac.jp:00017301,
 author = {Charatonik, Janusz J. and Pyrih, Pavel},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {157--169},
 title = {Atomic mappings can spoil lightness of open mappings},
 volume = {24},
 year = {2000}
}