TY  - GEN
AU  - Barros-Neto, J
AU  - Artino, Ralph A
TI  - Hypoelliptic boundary-value problems
U1  - 517.38 
PY  - 1980///]
CY  - New York
PB  - Marcel Dekker
KW  - Boundary value problems
KW  - Differential equeation
KW  - Mathematics
ER  -