In:
Studia Mathematica, Institute of Mathematics, Polish Academy of Sciences, Vol. 51, No. 2 ( 1974), p. 125-128
Type of Medium:
Online Resource
ISSN:
0039-3223
,
1730-6337
DOI:
10.4064/sm-51-2-125-128
Language:
English
Publisher:
Institute of Mathematics, Polish Academy of Sciences
Publication Date:
1974
detail.hit.zdb_id:
2004100-7
SSG:
17,1