Results 161 to 170 of about 399 (175)
Some of the next articles are maybe not open access.
Isochronicity of analytic systems via Urabe's criterion
Journal of Physics A: Mathematical and Theoretical, 2007Abd Raouf Chouikha, Valery G. Romanovski
exaly
On Urabe's criteria of isochronicity
Journal of Physics A, 1999Marko Robnik, Valery G. Romanovski
exaly

