B�cklund transformations for nonlinear sigma models with values in Riemannian symmetric spaces
1984 ◽
Vol 92
(3)
◽
pp. 329-367
◽
1981 ◽
Vol 82
(2)
◽
pp. 227-255
◽
Keyword(s):
Keyword(s):
1976 ◽
Vol 10
(3)
◽
pp. 535-563
◽
Keyword(s):
Keyword(s):