@article{MZ_1995__219_2_174765,
     author = {Paolo M. Soardi and Guia Medolla},
     title = {Extensions of {Foster's} averaging formula to infinite networks with moderate growth.},
     journal = {Mathematische Zeitschrift},
     pages = {171--186},
     publisher = {mathdoc},
     volume = {219},
     number = {2},
     year = {1995},
     zbl = {0823.05033},
     url = {http://geodesic.mathdoc.fr/item/MZ_1995__219_2_174765/}
}