TY  - JOUR
AU  - M. V. Keldysh
TI  - Report at the opening ceremony of the Conference
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1973
SP  - 5
EP  - 6
VL  - 132
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/TM_1973_132_a0/
LA  - ru
ID  - TM_1973_132_a0
ER  -