TY  - BOOK
AU  - Barros-Neto J.
AU  - Artino R.A.
TI  - Hypoelliptic boundary-value problems
U1  - 517.95 
PY  - 1980///
CY  - New York-Basel
PB  - Marcel Dekker Inc.
N1  - Lecture Notes in Pure and Applied Maths. V.53
ER  -