@article{MZ_1968__108_171101,
     author = {Moses E. Cohen},
     title = {Multiple {Integrals} {Related} to {Electron} {Collision} {Problems.}},
     journal = {Mathematische Zeitschrift},
     pages = {191--196},
     publisher = {mathdoc},
     volume = {108},
     year = {1968},
     zbl = {0181.18002},
     url = {http://geodesic.mathdoc.fr/item/MZ_1968__108_171101/}
}