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@article{PORMA_1966__25_3_114984, author = {Firey, W.J.}, title = {Lower bounds for quermassintegrals of a convex body}, journal = {Portugaliae mathematica}, pages = {141--146}, publisher = {mathdoc}, volume = {25}, number = {3}, year = {1966}, mrnumber = {0232281}, zbl = {0153.23702}, language = {en}, url = {http://geodesic.mathdoc.fr/item/PORMA_1966__25_3_114984/} }
Firey, W.J. Lower bounds for quermassintegrals of a convex body. Portugaliae mathematica, Tome 25 (1966) no. 3, pp. 141-146. http://geodesic.mathdoc.fr/item/PORMA_1966__25_3_114984/