@article{1077378795, author = {Ahern, P. R.}, title = {A condition for peak points}, journal = {Duke Math. J.}, volume = {37}, number = {1}, year = {1970}, pages = { 67-70}, language = {en}, url = {http://dml.mathdoc.fr/item/1077378795} }
Ahern, P. R. A condition for peak points. Duke Math. J., Tome 37 (1970) no. 1, pp. 67-70. http://gdmltest.u-ga.fr/item/1077378795/