@article{GDZPPN002058634,
title = {On the Isoperimetric Problem in a Riemann Space.},
journal = {Commentarii mathematici Helvetici},
volume = {41},
year = {1966},
pages = {18-29},
zbl = {0148.15801},
url = {http://dml.mathdoc.fr/item/GDZPPN002058634}
}
Katsurada, Yoshie. On the Isoperimetric Problem in a Riemann Space.. Commentarii mathematici Helvetici, Tome 41 (1966) pp. 18-29. http://gdmltest.u-ga.fr/item/GDZPPN002058634/