TY  - BOOK
AU  - Laine Ilpo
TI  - Nevanlinna theory and complex differential equations
T2  - De Gruyter studies in mathematics; 15
SN  - 3110134225
U1  - B33,3, N3 
PY  - 1991///
CY  - Berlin
PB  - Walter De Gruyter       
KW  -  Analysis
KW  -  Hilbert Space
KW  -  Operator Theory
KW  - Mathematics
ER  -