Siberian Mathematical Journal · 1999 · 37 citations · 9 references
ComputingComputer ScienceRepresentation TheoryLinear Transformations
9
A survey of isochronous centers
J. Chavarriga, Marco Sabatini · Qualitative Theory of Dynamical Systems · 1999 · 224 citations
On the Period Function of Liénard Systems
Marco Sabatini · Journal of Differential Equations · 1999 · 83 citations