TY  - JOUR
AU  - Yu. M. Smirnov
TI  - First International Conference on Theory of Extensions
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1968
VL  - 23
IS  - 3
UR  - http://geodesic.mathdoc.fr/item/RM_1968_23_3_a18/
LA  - ru
ID  - RM_1968_23_3_a18
ER  -