@article{oai:ynu.repo.nii.ac.jp:00006677,
 author = {Balser, W.},
 issue = {1},
 journal = {Yokohama Mathematical Journal = 横濱市立大學紀要. D部門, 数学},
 month = {},
 note = {application/pdf},
 pages = {47--76},
 title = {THE DETAILED STRUCTURE OF FORMAL ANALYTIC INVARIANTS OF A MEROMORPHIC DIFFERENTIAL EQUATION},
 volume = {29},
 year = {1981}
}