@article{GDZPPN002069636, title = {Reseaux \'electriques planaires II.}, journal = {Commentarii mathematici Helvetici}, volume = {71}, year = {1996}, pages = {144-168}, url = {http://dml.mathdoc.fr/item/GDZPPN002069636} }
Colin de Verdière, Y. de; Gitler, I. Reseaux électriques planaires II.. Commentarii mathematici Helvetici, Tome 71 (1996) pp. 144-168. http://gdmltest.u-ga.fr/item/GDZPPN002069636/