TY  - JOUR
AU  - F. S. Akhrarov
TI  - Particular cases of analytic surfaces of the space of non-degenerate null-pairs
JO  - Trudy Geometricheskogo Seminara
PY  - 1981
SP  - 5
EP  - 11
VL  - 13
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUTGS_1981_13_a1/
LA  - ru
ID  - KUTGS_1981_13_a1
ER  -