TY  - JOUR
AU  - A. V. Isaev
AU  - M. A. Mishchenko
TI  - Affine classification of tube quadrics having one minus in the Levi form
JO  - Matematičeskie zametki
PY  - 1988
SP  - 145
EP  - 146
VL  - 44
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MZM_1988_44_1_a14/
LA  - ru
ID  - MZM_1988_44_1_a14
ER  -