TY  - JOUR
AU  - M. D. Kovalev
TI  - Quadratic and Rigidity Mappings
JO  - Informatics and Automation
PY  - 2002
SP  - 195
EP  - 214
VL  - 239
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TRSPY_2002_239_a12/
LA  - ru
ID  - TRSPY_2002_239_a12
ER  -