TY  - BOOK
AU  - Samoĭlenko, A. M. (Anatoliĭ Mikhaĭlovich);
TI  - Countable systems of differential equations
SN  - 9067643939(hbk)
U1  - 515.35 SAM-C 2003 8573 
PY  - 2003///
CY  - Utrecht ; Boston
ER  -