@article{oai:tsukuba.repo.nii.ac.jp:00016120,
 author = {Sakai, Katsuro},
 issue = {1},
 journal = {Tsukuba Journal of Mathematics},
 month = {Jun},
 pages = {101--118},
 title = {On R∞-manifolds and Q∞-manifolds,II: Infinite deficiency},
 volume = {8},
 year = {1984}
}