%0 Journal Article %A Mohar, Bojan %T Isoperimetric numbers and spectral radius of some infinite planar graphs %J Mathematica slovaca %D 1992 %P 411-425 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a3/ %G en %F MASLO_1992__42_4_a3