In:
Proceedings of the Estonian Academy of Sciences. Physics. Mathematics, Estonian Academy Publishers, Vol. 40, No. 4 ( 1991), p. 325-
Type of Medium:
Online Resource
ISSN:
1406-0086
DOI:
10.3176/phys.math.1991.4.10
Language:
English
Publisher:
Estonian Academy Publishers
Publication Date:
1991
detail.hit.zdb_id:
2094077-4
SSG:
11