Averaged Motion of Charged Particles under Their Self-Induced Electric Field Avner FriedmanChaocheng Huang Indiana University Mathematics Journal 1994 text pdf 10.1512/iumj.1994.43.43052 10.1512/iumj.1994.43.43052 en Indiana Univ. Math. J. 43 (1994) 1167 - 1225 state-of-the-art mathematics http://iumj.org/access/