@article{00224001,
title = {Positive solutions of integrodifferential equations.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {6},
year = {1993},
pages = {55-68},
doi = {10.1155/S1048953393000061},
zbl = {0772.34050},
language = {en},
url = {http://dml.mathdoc.fr/item/00224001}
}
Philos, Ch.G. Positive solutions of integrodifferential equations.. Journal of Applied Mathematics and Stochastic Analysis, Tome 6 (1993) pp. 55-68. doi : 10.1155/S1048953393000061. http://gdmltest.u-ga.fr/item/00224001/