TY  - JOUR
AU  - Per Enflo
TI  - A counterexample to the approximation problem in Banach spaces
JO  - Matematika
PY  - 1974
SP  - 146
EP  - 155
VL  - 18
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAT_1974_18_1_a8/
LA  - ru
ID  - MAT_1974_18_1_a8
ER  -