%0 Journal Article %A A. Zemanian %A Prasad Sueramanian %T A theory for ungrounded electrical grids and its application to the geophysical exploration of layered strata %J Studia Mathematica %D 1983 %P 163-181 %V 77 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm-77-2-163-181/ %R 10.4064/sm-77-2-163-181 %G en %F 10_4064_sm_77_2_163_181