TY  - BOOK
AU  - Janich Klaus
TI  - Vector analysis
T2  - Undergraduate Texts in Mathematics
SN  - 0387986490
U1  - B466, P1 
PY  - 2001///
CY  - New York
PB  - Springer-Verlag         
KW  - Economics
N1  - Bibliography: P 273-274
ER  -