TY  - BOOK
AU  - Tikhonou, A.N.
AU  - Vasileva, A.B.
AU  - Sueshnikov, A.G.
TI  - Differential equations
U1  - 515.35 
PY  - 1985///
CY  - New York
PB  - , Springer-Verlag
KW  - Differential equations
ER  -