TY  - BOOK
AU  - Maslov, V.P.
TI  - Operational methods
SN  - 0714708682 (hardcover) | 9780714708683 (hardcover)
U1  - 511.42 OPE 
PY  - 1977///
CY  - [S.l.]
PB  - Central Books Ltd
ER  -