TY  - BOOK
AU  - Yakubovich, V.
AU  - Starzhinskil, V.
TI  - Linear Differential Equations with Periodic Coefficients
SN  - 0470969539
PY  - 1975///
CY  - New-York
PB  - John Wiley & Sons
KW  - Differential-Equations-Linear
ER  -