TY  - BOOK
AU  - Piskunov N S
AU  - Yankovsky G
TI  - Differential and intregral calculus
U1  - 515.33 
PY  - 1974///
CY  - Moscow
PB  - Mir Pub
KW  - Differential calculus
KW  - Integral calculus
N1  - Tr from Russian
ER  -