Voir la notice de l'article provenant de la source Mathematicac Balkanica website
@article{MABA_1992_6_3_a8, author = {Konstantin Stathakopoulos}, title = {A {Contribution} to the {Notation} of {Convexity.} {I} (in {German)}}, journal = {Mathematica balkanica}, pages = {257}, publisher = {mathdoc}, volume = {6}, number = {3}, year = {1992}, url = {http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a8/} }
Konstantin Stathakopoulos. A Contribution to the Notation of Convexity. I (in German). Mathematica balkanica, Tome 6 (1992) no. 3, p. 257. http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a8/