Sevost’yanov, E. O., V. S. Desyatka, and N. S. Ilkevych. “On Singularities of Mappings With a Majorant Integrable by Spheres”. Matematychni Studii, Vol. 65, no. 2, June 2026, pp. 138-47, doi:10.30970/ms.65.2.138-147.