TY  - DATA
AU  - Ravi P. Agarwal, Donal O’Regan, Patricia J. Y. Wong
TI  - Constant-Sign Solutions of Systems of Integral Equations
SN  - 9783319012551
PY  - 2013///
PB  - Springer International Publishing
KW  - Mathematics and Statistics
UR  - https://doi.org/10.1007/978-3-319-01255-1
ER  -