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@article{ELMA_1989__44_3_141445, author = {G. Corach and J. McGowan and H. Porta}, title = {Some inequalities for the triangle.}, journal = {Elemente der Mathematik}, pages = {1--15}, publisher = {mathdoc}, volume = {44}, number = {3}, year = {1989}, zbl = {0714.51011}, url = {http://geodesic.mathdoc.fr/item/ELMA_1989__44_3_141445/} }
G. Corach; J. McGowan; H. Porta. Some inequalities for the triangle.. Elemente der Mathematik, Tome 44 (1989) no. 3, pp. 1-15. http://geodesic.mathdoc.fr/item/ELMA_1989__44_3_141445/