On additional motion invariants of classical Hamiltonian wave systems
1988 ◽
Vol 29
(3)
◽
pp. 283-320
◽
Keyword(s):
1980 ◽
Vol 1
(2)
◽
pp. 192-202
◽
2010 ◽
Vol 53
(9)
◽
pp. 465-474
1991 ◽
Vol 13
(12)
◽
pp. 1236-1240
◽