- Mitropolʹskiĭ, I︠U︡. A. (I︠U︡riĭ Alekseevich), 1917- (21)
- International Conference on Nonlinear Oscillations (4)
- Instytut matematyky (Akademii︠a︡ nauk Ukraïnsʹkoï RSR) (2)
- Samoĭlenko, A. M. (Anatoliĭ Mikhaĭlovich) (2)
- Sharkovskiĭ, Aleksandr Nikolaevich (2)
- Berezovskiǐ, A. A. (1)
- Bogoli︠u︡bov, N. N. (Nikolaĭ Nikolaevich), 1909- (1)
- Filʹchakov, P. F. (Pavel Feodosʹevich) (1)
- Lapin, V. B. (1)
- Lavrik, V. I. (1)
- Luchka, Anton I︠U︡rʹevich (1)
- Shestopal, A. F. (Anatoliĭ Fedorovich) (1)