TY  - BOOK
AU  - Borovkov,A A  .
TI  - Asymptotic methods in queuing theory / 
SN  - 0471902861
U1  - QUEUING THEORY 
PY  - 1984///
CY  - New York : 
PB  - John Wiley & Sons , 
N1  - Includes bibliographical references and index
ER  -