TY  - BOOK
AU  - Erugin,Nikolay P.
AU  - Bellman,Richard
TI  - Linear systems of ordinary differential equations : With periodic and quasi-periodic coefficients / 
T2  - (Mathematics in Science and engineering ; )
AV  - QA372  E78 1966 
PY  - 1966///
CY  - New York : 
PB  - Academic Press, 
KW  - Lemb
KW  - Ecuaciones diferenciales
N1  - Incluye apéndice, bibliografía e índice
ER  -