TY  - BOOK
AU  - Krasnosel'skij, M. A. and Others
AU  - Lifshits, Je. A. ; jt. auth.
AU  - Sobolev, A. V. ; jt. auth.
AU  - Appell, Jurgen ; tr.
TI  - Positive linear systems; the methods of positive operators
T2  - Sigma series in Applied Mathematics
U1  - 515.72 
PY  - 1989///
CY  - Berlin
PB  - Springer-Verlag
N1  - "Tr. from the Russian by Jurgen Appell"
ER  -