TY  - JOUR
AU  - V. I. Arnol'd
TI  - Normal forms for functions near degenerate critical points, the Weyl groups of $A_k$, $D_k$, $E_k$ and Lagrangian singularities
JO  - Funkcionalʹnyj analiz i ego priloženiâ
PY  - 1972
SP  - 3
EP  - 25
VL  - 6
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/FAA_1972_6_4_a0/
LA  - ru
ID  - FAA_1972_6_4_a0
ER  -