ヴォルフガンク・ハーン
Kappel, F. (1982), “Wolfgang Hahn---an address in honour of his 70th birthday”, in Kappel, F.; Schappacher, W., Evolution equations and their applications (Schloss Retzhof, 1981), Res. Notes in Math., 68, New York: Pitman, pp. xi–xvi, ISBN 978-0-273-08567-6, MR668374, https://books.google.com/books?id=YEc8AAAAIAAJ
“Professor Dr. Wolfgang Hahn”, Journal of Mathematical and Physical Sciences 18: Si–Svi, (1983), ISSN 0047-2557, MR753936