TY  - JOUR
AU  - Bukac, Josef
TI  - Upper integral and its geometric meaning
JO  - Mathematica slovaca
PY  - 2007
SP  - 523
EP  - 546
VL  - 57
IS  - 6
UR  - http://geodesic.mathdoc.fr/item/MASLO_2007_57_6_a2/
LA  - en
ID  - MASLO_2007_57_6_a2
ER  -