TY  - BOOK
AU  - Pontrjagin L S
AU  - Edwin Hewitt
TI  - Learning higher mathematics
U1  - 510 
PY  - 1984///
CY  - Berlin
PB  - Springer Verlag
KW  - Co-ordinate
KW  - Mathematics
N1  - Pt 1 : Method of co-ordinates
ER  -