TY  - BOOK
AU  - Arnold V I
AU  - Gusein-Zade S M
AU  - Varchenko A N
TI  - Singularities of differentiable maps: Classification of critical points, caustics and wavefronts
U1  - 514.72 
PY  - 1985///
CY  - Boston
PB  - Birkhauser
KW  - Differential maps
KW  - Singularities
ER  -