TY  - BOOK
AU  - Birkhoff, Garrett,
AU  - Rota, Gian-Carlo,
TI  -  Ordinary differential equations
U1  - 515.35  22
PY  - 1962///
CY  - Boston
PB  - Ginn
KW  - Differential equations
N1  - Includes bibliographical references (p.311-312) and index
ER  -