TY  - BOOK
AU  - Norkin, S.B
TI  - Differential equations of the second order with retarded argument some problems of the theory of vibrations of systems with retardation
SN  - 0-8218-1581-4
U1  - 515.35 NOR 
PY  - 1972///
CY  - USA
PB  - AMERICAN MATHEMATICAL SOCIETY
KW  - DIFFERENTIAL EQUATIONS, VIBRATION
ER  -