TY  - JOUR
TI  - International Conference, dedicated to the 90th anniversary of L.\,S.~Pontryagin birth
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1997
VL  - 52
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1997_52_4_a24/
LA  - ru
ID  - RM_1997_52_4_a24
ER  -