ON THE TOPOLOGICAL STRUCTURE OF THE SET OF SINGULARITIES OF INTEGRABLE HAMILTONIAN SYSTEMS
1996 ◽
Vol 78
(5)
◽
pp. 542-555
◽
2018 ◽
Vol 57
◽
pp. 125-135
1975 ◽
Vol 16
(2)
◽
pp. 197-220
◽
1994 ◽
Vol 37
(4-5)
◽
pp. 323-339
◽
2001 ◽
Vol 8
(sup1)
◽
pp. 18-22
◽
2017 ◽
Vol 28
(1)
◽
pp. 337-369
◽