1. Graf S.Yu. On distortion of harmonic measure under locally quasiconformal mappings // Complex Variables and Elliptic Equations. 2021. V.66. Issue 9. P.1550-1564.
2. Graf S.Yu., Ponnusamy S., Starkov V.V. Univalence criterion for harmonic mappings and Φ-like functions // Complex Variables and Elliptic Equations. 2018. V.63. Issue 12. P.1767-1779.
3. Graf S.Yu., Ponnusami S., Starkov V.V. Univalence criterion for harmonic mappings and Φ-like functions // Complex Variables and Elliptic Equations. 2017. P.1-13.