@article{ELMA_1994__49_1_141565,
     author = {M. Henk and G.A. Tsintsifas},
     title = {Some {Inequalities} for {Planar} {Convex} {Figures.}},
     journal = {Elemente der Mathematik},
     pages = {120--125},
     publisher = {mathdoc},
     volume = {49},
     number = {1},
     year = {1994},
     zbl = {0839.52006},
     url = {http://geodesic.mathdoc.fr/item/ELMA_1994__49_1_141565/}
}