Liouville Classification of Integrable Systems with Two Degrees of Freedom in Four-Dimensional Neighborhoods of Singular Points
1995 ◽
Vol 186
(1)
◽
pp. 1-27
◽
1991 ◽
pp. 1-36
◽
2004 ◽
Vol 11
(sup1)
◽
pp. 122-129
Keyword(s):
1990 ◽
Vol 45
(2)
◽
pp. 59-94
◽