TY  - BOOK
AU  - Markley, Nelson G.
TI  - Principles of differential equations
SN  - 0471649562
PY  - 2004///
CY  - Hoboken, NJ
PB  -  John Wiley & Sons
KW  - Differential equations
N1  - Includes bibliographical references (p. 334-336) and index
ER  -