Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts
@article{TM2_2013_XVI_1_a3, author = {Aaron Melman}, title = {A somewhat unexpected concavity}, journal = {The Teaching of Mathematics}, pages = {18 }, publisher = {mathdoc}, volume = {XVI}, number = {1}, year = {2013}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TM2_2013_XVI_1_a3/} }
Aaron Melman. A somewhat unexpected concavity. The Teaching of Mathematics, XVI (2013) no. 1, p. 18 . http://geodesic.mathdoc.fr/item/TM2_2013_XVI_1_a3/