- L. A. Kalyakin, “Asymptotics of the Solution of a Variational Problem on a Large Interval”, Math Notes, 110, № 5-6, 2021, 687
- L. A. Kalyakin, A. K. Zvezdin, Z. V. Gareeva, “Stability of Asymptotic Approximation in Models of Multiferroics”, J Math Sci, 255, № 4, 2021, 444