@article{ASENS_1980_4_13_4_419_0,
     author = {Croke, Christopher B.},
     title = {Some isoperimetric inequalities and eigenvalue estimates},
     journal = {Annales scientifiques de l'\'Ecole Normale Sup\'erieure},
     pages = {419--435},
     publisher = {Elsevier},
     volume = {Ser. 4, 13},
     number = {4},
     year = {1980},
     doi = {10.24033/asens.1390},
     mrnumber = {83d:58068},
     zbl = {0465.53032},
     language = {en},
     url = {http://archive.numdam.org/articles/10.24033/asens.1390/}
}