TY  - JOUR
AU  - V. I. Arnol'd
TI  - Topological problems of the theory of wave propagation
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1996
SP  - 1
EP  - 47
VL  - 51
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1996_51_1_a0/
LA  - en
ID  - RM_1996_51_1_a0
ER  -