TY  - JOUR
AU  - Pastor, Karel
TI  - On relations among the generalized second-order directional derivatives
JO  - Discussiones Mathematicae. Differential Inclusions, Control and Optimization
PY  - 2001
SP  - 235
EP  - 247
VL  - 21
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/DMDICO_2001_21_2_a4/
LA  - en
ID  - DMDICO_2001_21_2_a4
ER  -