TY  - JOUR
AU  - Henderson, David W.
TI  - Open subsets of Hilbert space
JO  - Compositio Mathematica
PY  - 1969
SP  - 312
EP  - 318
VL  - 21
IS  - 3
PB  - Wolters-Noordhoff Publishing
UR  - http://archive.numdam.org/item/CM_1969__21_3_312_0/
LA  - en
ID  - CM_1969__21_3_312_0
ER  -