TY  - BOOK
AU  - Amel'kin, V. V.
TI  - Differential equations in applications
T2  - Science for everyone
SN  - 5-03-000521-8
PY  - 1990///
CY  - Μ.
PB  - Mir
KW  - В161.6я9
KW  - rubbk
N2  - "Sel. readings": c. 274
ER  -