In:
Pacific Journal of Mathematics, Mathematical Sciences Publishers, Vol. 30, No. 2 ( 1969-8-1), p. 459-462
Type of Medium:
Online Resource
ISSN:
0030-8730
,
0030-8730
DOI:
10.2140/pjm.1969.30-2
DOI:
10.2140/pjm.1969.30.459
Language:
English
Publisher:
Mathematical Sciences Publishers
Publication Date:
1969
detail.hit.zdb_id:
219110-6
detail.hit.zdb_id:
1476940-2
SSG:
17,1