N. P. Erugin
Linear systems of ordinary differential equations
Kniga dli͡a︡ chtenii͡a︡ po obshchemu kursu different͡s︡ialʹnykh uravneniĭ- Lineĭnye sistemy obyknovennykh different︠s︡ialʹnykh uravneniĭ
- Metod Lappo-Danilevskogo v teorii lineĭnykh different︠s︡ialʹnykh uravneniĭ
- Nei︠a︡vnye funktsii
- O tekh, kto vystoi︠a︡l
- Privodimye sistemy
- Problema Rimana
- Twenty Papers on Analytic Functions and Ordinary Differential Equations