TY  - JOUR
AU  - A. Yu. Ol'shanskii
TI  - On the problem of the existence of an invariant mean on a~group
JO  - Trudy Matematicheskogo Instituta imeni V.A. Steklova
PY  - 1980
SP  - 180
EP  - 181
VL  - 35
IS  - 4
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/RM_1980_35_4_a12/
LA  - en
ID  - RM_1980_35_4_a12
ER  -