Periodic solutions of “predator–prey” systems with continuous delay and periodic coefficients von Borzdyko, V. I., Борздыко, В. И., Борздыко, В. И.

Volltext

On the smoothness of conjugation of circle diffeomorphisms with rigid rotations von Borzdyko, V. I., Борздыко, В. И., Борздыко, В. И.

Volltext