@article{oai:soar-ir.repo.nii.ac.jp:00012869,
 author = {OKUYAMA,  Yasuo},
 journal = {信州大学工学部紀要},
 month = {Dec},
 note = {Article, 信州大学工学部紀要 49: 1-12 (1980)},
 pages = {1--12},
 title = {On the Absolute Norlund Summability of Orthogonal Series},
 volume = {49},
 year = {1980}
}