TY  - JOUR
AU  - J. Płonka
TI  - On discrete subspaces of a Hilbert space
JO  - Colloquium Mathematicum
PY  - 1977
SP  - 53
EP  - 54
VL  - 38
IS  - 1
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/articles/10.4064/cm-38-1-53-64/
DO  - 10.4064/cm-38-1-53-64
LA  - en
ID  - 10_4064_cm_38_1_53_64
ER  -