@article{04198788,
title = {Nonnegative solutions of two-point boundary value problems for nonlinear second order integrodifferential equations in Banach spaces.},
journal = {Journal of Applied Mathematics and Stochastic Analysis},
volume = {4},
year = {1991},
pages = {47-69},
doi = {10.1155/S1048953391000035},
zbl = {0726.45014},
language = {en},
url = {http://dml.mathdoc.fr/item/04198788}
}
Guo, Dajun. Nonnegative solutions of two-point boundary value problems for nonlinear second order integrodifferential equations in Banach spaces.. Journal of Applied Mathematics and Stochastic Analysis, Tome 4 (1991) pp. 47-69. doi : 10.1155/S1048953391000035. http://gdmltest.u-ga.fr/item/04198788/