1. On Hill's method in the theory of linear differential equations with periodic coefficients;Valeev;PMM,1960
2. Nekotorye zadachi teorii nelineinykh kolebanii;Malkin,1956
3. O dinamicheskoi ustoichivosti uprugikh sistem;Iakubovich;Dokl. Akad. Nauk SSSR,1958
4. O reshenii i kharakterlsticheskikh pokazatieliakh reshenii nekotorykh sistem lineinykh differential' nykh uravnenii s periodicheskimi koeffitsientami;Valeev;PMM,1960