TY - JOUR AU - Vladimir L. Popov TI - Orbit Closures of the Witt Group Actions JO - Informatics and Automation PY - 2019 SP - 212 EP - 216 VL - 307 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_2019_307_a10/ LA - ru ID - TRSPY_2019_307_a10 ER -