TY  - JOUR
AU  - Mišík, Ladislav
TI  - Extreme essential derivatives of Borel and Lebesgue measurable functions
JO  - Mathematica slovaca
PY  - 1979
SP  - 25
EP  - 38
VL  - 29
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MASLO_1979__29_1_a2/
LA  - en
ID  - MASLO_1979__29_1_a2
ER  -