Loveikin A, Krenevych A. Singularity of the potential field at the vertex of a symmetric tip with four identical perpendicular wings of wedge-shaped form. BTSNUKPhM [Internet]. 2026 Jun. 5 [cited 2026 Oct. 10];82(1):136-42. Available from: https://bphm.knu.ua/bphm/article/view/577