@article{1102689372, author = {Sangwine-Yager, J. R.}, title = {A Bonnesen-style inradius inequality in $3$-space.}, journal = {Pacific J. Math.}, volume = {135}, number = {2}, year = {1988}, pages = { 173-178}, language = {en}, url = {http://dml.mathdoc.fr/item/1102689372} }
Sangwine-Yager, J. R. A Bonnesen-style inradius inequality in $3$-space.. Pacific J. Math., Tome 135 (1988) no. 2, pp. 173-178. http://gdmltest.u-ga.fr/item/1102689372/