TY  - BOOK
AU  - Yakubovich, V. A. and Starzhinskii, V. M.
AU  - Starzhinskii, V. M.; jt. auth.
AU  - Louvish, D. ; tr.
TI  - Linear differential equations with periodic coefficients
U1  - 515.35 
PY  - 1975///
CY  - New York
PB  - John Wiley
ER  -