TY  - BOOK
AU  - Barros-Neto,J & Artino,R.A
ED  - Artino, R.A
TI  - Hypoelliptic boundary-value problems
T2  - Lecture notes in pure & applied mathematics 53
SN  - 0824768868
U1  - 10.02 
PY  - 1980///
CY  - New York
PB  - Marcel Dekker
ER  -