Thermodynamics of the two-dimensional ferromagnetic Heisenberg spin systems
1973 ◽
Vol 35
(1)
◽
pp. 25-32
◽
1975 ◽
Vol 20
(4)
◽
pp. 375-384
◽
Keyword(s):
1978 ◽
Vol 41
(20)
◽
pp. 1337-1340
◽
Keyword(s):
1986 ◽
Vol 68
(3)
◽
pp. 515-525
◽
Keyword(s):
2001 ◽
Vol 34
(13)
◽
pp. 2839-2858
◽
1999 ◽
Vol 82
(18)
◽
pp. 3701-3704
◽