@article{CMUC_2003__44_4_a9,
     author = {Kawohl, B. and Fridman, V.},
     title = {Isoperimetric estimates for the first eigenvalue of the $p${-Laplace} operator and the {Cheeger} constant},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {659--667},
     publisher = {mathdoc},
     volume = {44},
     number = {4},
     year = {2003},
     mrnumber = {2062882},
     zbl = {1105.35029},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_2003__44_4_a9/}
}