Hidden symmetries for some classical field models
1982 ◽
Vol 53
(2)
◽
pp. 1099-1107
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Keyword(s):
1980 ◽
Vol 17
(3)
◽
pp. 313-332
◽
2017 ◽
Vol 91
(6)
◽
pp. 607-621
◽
1996 ◽
Vol 11
(3)
◽
pp. 155-192
◽