1.
Skrypnik WI. On the post-Darwin approximation of the Maxwell – Lorentz equations of motion of point charges in the absence of neutrality. Ukr. Mat. Zhurn. [Internet]. 2019Jan.25 [cited 2020Dec.3];71(1):117-28. Available from: http://umj.imath.kiev.ua/index.php/umj/article/view/1423