TY  - BOOK
AU  - AYRES, JR.FRANK
TI  - Schaum's Outline of Theory and Problems of Differential Equations: Schaum's Outline of Theory and Problems of Differential Equations, New York : McGraw-Hill (A), 1972
U1  - 517.38 
PY  - 1972///
CY  - New York
PB  - McGraw-Hill (A)
ER  -