TY  - DATA
AU  - Berkson, E.
TI  - Canonical Sobolev projections of weak type (1,1) 
T2  - Memoirs of the American Mathematical Society, 
SN  - 9781470403072 (online)
PY  - 2001///
CY  - Providence, R.I.
PB  - American Mathematical Society
UR  - http://www.ams.org/memo/0714
ER  -