TY  - BOOK
AU  - American Mathematical Society
TI  - American Mathematical Society translations 
U1  - 510 AMS 13 
PY  - 1960///.
CY  - Rhode Island : 
PB  - American Mathematical Society, 
KW  - Analytic functions
KW  - Differential equations
KW  - Differential equations--Asymptotic theory
ER  -