TY  - BOOK
AU  - Howell,Kenneth B.
TI  - Textbook in Mathematics ordinary differential equations : : an introduction to the fundamentals 
SN  - 978113860583
U1  - 515.3  
PY  - 2020///
CY  - Boca Raton
PB  - CRC Press
N1  - Includes index; 500-599
ER  -