共 50 条
[31]
Covariants, derivation-invariant subsets, and first integrals
[J].
EPIJOURNAL DE GEOMETRIE ALGEBRIQUE,
2020, 4
[33]
Necessary conditions for the existence of invariant algebraic curves for planar polynomial systems
[J].
BULLETIN DES SCIENCES MATHEMATIQUES,
2005, 129 (02)
:99-126
[34]
On the first integrals in the center problem
[J].
BULLETIN DES SCIENCES MATHEMATIQUES,
2013, 137 (04)
:457-465
[37]
Rational first integrals for periodic systems
[J].
ZEITSCHRIFT FUR ANGEWANDTE MATHEMATIK UND PHYSIK,
2011, 62 (02)
:233-243