@article{MAN_1879__14_156839,
     author = {Lommel},
     title = {Zur {Theorie} der {Bessel'schen} {Functionen}},
     journal = {Mathematische Annalen},
     pages = {510--536},
     year = {1879},
     volume = {14},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1879__14_156839/}
}