@article{NUMA_1972__19_132127,
     author = {H. Amann},
     title = {\"Uber die n\"aherungsweise {L\"osung} nichtlinearer {Integralgleichungen.}},
     journal = {Numerische Mathematik},
     pages = {29--45},
     publisher = {mathdoc},
     volume = {19},
     year = {1972},
     zbl = {0249.65073},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1972__19_132127/}
}