@article{MZ_1983__184_173375,
     author = {Isaac Chavel and Edgar A. Feldmann},
     title = {Isoperimetric {Constants} of {Manifolds} with {Small} {Handles.}},
     journal = {Mathematische Zeitschrift},
     pages = {435--448},
     publisher = {mathdoc},
     volume = {184},
     year = {1983},
     zbl = {0525.53054},
     url = {http://geodesic.mathdoc.fr/item/MZ_1983__184_173375/}
}