TY  - JOUR
AU  - U. Boscain
TI  - Projection Singularities of Extremals and Morse Property for Minimum Time
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 2002
SP  - 399
EP  - 407
VL  - 236
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_2002_236_a41/
LA  - en
ID  - TM_2002_236_a41
ER  -