@article{NUMA_1970__15_131999,
     author = {D. MARSAL},
     title = {Eingabelung der {L\"osungen} von {Integralgleichungen.}},
     journal = {Numerische Mathematik},
     pages = {348--350},
     publisher = {mathdoc},
     volume = {15},
     year = {1970},
     url = {http://geodesic.mathdoc.fr/item/NUMA_1970__15_131999/}
}