TY  - BOOK
AU  - Piskunov,N..
AU  - Yankovsky,George  .
TI  - Differential and integral calculas / 
SN  - 8123904932
U1  - 515.33 
PY  - 1974///
CY  - Moscow : 
PB  - Mir Publishers , 
KW  - CALCULAS
N1  - Includes index
ER  -