TY  - JOUR
AU  - Konstantin Stathakopoulos
TI  - A Contribution to the Notation of Convexity. I (in German)
JO  - Mathematica balkanica
PY  - 1992
SP  - 257
VL  - 6
IS  - 3
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_1992_6_3_a8/
ID  - MABA_1992_6_3_a8
ER  -