@article{EJDE_1993__1993_2_a0,
     author = {Liu,  James H.},
     title = {A singular perturbation problem in integrodifferential equations},
     journal = {Electronic journal of differential equations},
     year = {1993},
     volume = {1993},
     number = {2},
     zbl = {0809.45008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/EJDE_1993__1993_2_a0/}
}