@article{GDZPPN002231409,
title = {A stability estimate for the Aleksandrow-Fnechel inequality, with an application to mean curvature.},
journal = {Manuscripta mathematica},
volume = {67},
year = {1990},
pages = {291-300},
zbl = {0713.52003},
url = {http://dml.mathdoc.fr/item/GDZPPN002231409}
}
Schneider, Rolf. A stability estimate for the Aleksandrow-Fnechel inequality, with an application to mean curvature.. Manuscripta mathematica, Tome 67 (1990) pp. 291-300. http://gdmltest.u-ga.fr/item/GDZPPN002231409/