@article{TM2_2016_XIX_2_a1, author = {Yuanhong Zhi}, title = {Strict monotonicity of nonnegative strictly concave function vanishing at the origin}, journal = {The Teaching of Mathematics}, pages = {68 }, publisher = {mathdoc}, volume = {XIX}, number = {2}, year = {2016}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TM2_2016_XIX_2_a1/} }