@article{GDZPPN002082357, title = {Convexity and subharmonicity.}, journal = {Elemente der Mathematik}, volume = {44}, year = {1989}, pages = {145-150}, language = {en}, url = {http://dml.mathdoc.fr/item/GDZPPN002082357} }
Gardiner, Stephen J. Convexity and subharmonicity.. Elemente der Mathematik, Tome 44 (1989) pp. 145-150. http://gdmltest.u-ga.fr/item/GDZPPN002082357/