000
00273nam a22000977a 4500
008
131219b xxu||||| |||| 00| 0 eng d
100
_a
Guilbert .
_9
5290
245
_a
First order elliptic systems : a function thoracic approach /
_c
Guilbert .
300
_a
.
942
_2
ddc
_c
BK
999
_c
39775
_d
39775