@article{CMH_1994__69_4_140344,
     author = {Yves de Colin de Verdi\`ere},
     title = {R\'eseaux \'electrique planaires {I.}},
     journal = {Commentarii mathematici Helvetici},
     pages = {351--374},
     publisher = {mathdoc},
     volume = {69},
     number = {4},
     year = {1994},
     zbl = {0816.05052},
     url = {http://geodesic.mathdoc.fr/item/CMH_1994__69_4_140344/}
}