TY  - JOUR
AU  - S. A. Vakhrameev
TI  - Hilbert manifolds with angles of finite codimension, and optimal control theory
JO  - Itogi Nauki i Tekhniki. Seriya Algebra. Geometriya. Topologiya 
PY  - 1990
SP  - 96
EP  - 171
VL  - 28
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/INTA_1990_28_a2/
LA  - ru
ID  - INTA_1990_28_a2
ER  -