In:
Archiv der Mathematik, Springer Science and Business Media LLC, Vol. 12, No. 1 ( 1961-12), p. 401-404
Type of Medium:
Online Resource
ISSN:
0003-889X
,
1420-8938
Language:
German
Publisher:
Springer Science and Business Media LLC
Publication Date:
1961
detail.hit.zdb_id:
1458441-4
detail.hit.zdb_id:
475-3
SSG:
17,1