TY  - JOUR
AU  - A. A. Uspenskii
AU  - P. D. Lebedev
TI  - On the set of limit values of local diffeomorphisms in wavefront evolution
JO  - Trudy Instituta matematiki i mehaniki
PY  - 2010
SP  - 171
EP  - 185
VL  - 16
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TIMM_2010_16_1_a13/
LA  - ru
ID  - TIMM_2010_16_1_a13
ER  -