MIXED SPECTRUM REPARAMETERIZATIONS OF LINEAR FLOWS ON T 2 (2009)
Bassam Fayad, Anatole Katok, Alistar Windsor, Andrei Nikolaevich Kolmogorov, Ivan Georgievich Petrovskii
To the memory of great mathematicians of the 20th century,
Ordinary differential equations / I. G. Petrovskii (1966)
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