@article{oai:soar-ir.repo.nii.ac.jp:00012944,
 author = {YAMASAKI,  Motohiro},
 journal = {信州大学工学部紀要},
 month = {Dec},
 note = {Article, 信州大学工学部紀要 35: 7-10 (1973)},
 pages = {7--10},
 title = {On the Convergence of Martingales and the "Littlewood-Paley" Operators},
 volume = {35},
 year = {1973}
}