@article{GDZPPN002327996, title = {A Potential-Theoretic Approach to Parallel Addition.}, journal = {Mathematische Annalen}, volume = {275}, year = {1986}, pages = {301-318}, zbl = {0571.31005}, url = {http://dml.mathdoc.fr/item/GDZPPN002327996} }
Leutwiler, Heinz; Eriksson, Sirkka-Liisa. A Potential-Theoretic Approach to Parallel Addition.. Mathematische Annalen, Tome 275 (1986) pp. 301-318. http://gdmltest.u-ga.fr/item/GDZPPN002327996/