IvanchenkoV. M. (2004) “Application of Potential and Vortex Fields to the Description of Gravitation and Electromagnetism”, Ukrains’kyi Matematychnyi Zhurnal, 56(1), pp. 31-50. Available at: https://umj.imath.kiev.ua/index.php/umj/article/view/3726 (Accessed: 27July2024).