@article{NUMA_1961__3_131492,
     author = {S. BERGMAN and J.G. HERRIOT},
     title = {Application of the method of the kernel function for solving boundary-value problems.},
     journal = {Numerische Mathematik},
     pages = {209--225},
     publisher = {mathdoc},
     volume = {3},
     year = {1961},
     zbl = {0106.10703},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1961__3_131492/}
}