@article{NUMA_1993__64_2_133709,
     author = {J.N. Lyness and E. de Doncker},
     title = {Quadrature error expansions. {II.} {The} full corner singularity.},
     journal = {Numerische Mathematik},
     pages = {355--370},
     publisher = {mathdoc},
     volume = {64},
     number = {2},
     year = {1993},
     zbl = {0793.41023},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1993__64_2_133709/}
}