@article{GDZPPN002304813,
title = {Positive Solutions of a Nonlinear Integral Equation.},
journal = {Mathematische Annalen},
volume = {193},
year = {1971},
pages = {119-124},
zbl = {0203.42101},
url = {http://dml.mathdoc.fr/item/GDZPPN002304813}
}
STUART, C.A. Positive Solutions of a Nonlinear Integral Equation.. Mathematische Annalen, Tome 193 (1971) pp. 119-124. http://gdmltest.u-ga.fr/item/GDZPPN002304813/