TY  - BOOK
AU  - Bauer K W
AU  -  Ruscheweyh S
TI  - DIfferential operators for partial differential equations equations and function theoretic applications
T2  - Lecture notes in mathematics; 791
U1  - B331, M0 
PY  - 1980///
CY  - Berlin
PB  - Springer-verlag         
KW  -  Ordinary differential equations
KW  - Mathematics
ER  -