TY  - JOUR
AU  - Adrijan V. Borisov
AU  - Margarita G. Spirova
TI  - Measurability of Sets of Pairs of Planes in the Simply Isotropic Space
JO  - Mathematica balkanica
PY  - 2003
SP  - 291
VL  - 17
IS  - 3-4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MABA_2003_17_3-4_a9/
ID  - MABA_2003_17_3-4_a9
ER  -