The Newtonian Capacity of a Space Condenser G. AndersonM. Vamanamurthy Indiana University Mathematics Journal 1985 text pdf 10.1512/iumj.1985.34.34040 10.1512/iumj.1985.34.34040 en Indiana Univ. Math. J. 34 (1985) 753 - 776 state-of-the-art mathematics http://iumj.org/access/