TY  - BOOK
AU  - Schey,Harry Moritz
TI  - Div, grad, curl, and all that: an informal text on vector calculus 
SN  - 0393093670
PY  - 1973///
CY  - New York
PB  - W.W. Norton
KW  - Vector analysis
N1  - Bibliography : p. 159-160
ER  -