@article{oai:tsukuba.repo.nii.ac.jp:00015805,
 author = {Nowicki, Andrzej},
 issue = {2},
 journal = {Tsukuba Journal of Mathematics},
 month = {Dec},
 pages = {219--225},
 title = {Inner derivation of higher orders},
 volume = {8},
 year = {1984}
}