@article{NUMA_1980__35_186302,
     author = {L. Qun and L. Jiaquan},
     title = {Extrapolation {Method} for {Fredholm} {Integral} {Equations} with {Non-Smooth} {Kernels.}},
     journal = {Numerische Mathematik},
     pages = {459--464},
     publisher = {mathdoc},
     volume = {35},
     year = {1980},
     zbl = {0424.65066},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1980__35_186302/}
}