TY  - JOUR
AU  - J. R. Arteaga Bejarano
TI  - Classification of second-order surfaces in a three-dimensional Lobachevskii space according to Norden's method
JO  - Trudy Geometricheskogo Seminara
PY  - 1989
SP  - 29
EP  - 40
VL  - 19
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/KUTGS_1989_19_a3/
LA  - ru
ID  - KUTGS_1989_19_a3
ER  -