@article{MAN_1937__114_159929,
     author = {Ulm. H.},
     title = {Elementarteilertheorie unendlicher {Matrizen}},
     journal = {Mathematische Annalen},
     pages = {493--505},
     year = {1937},
     volume = {114},
     url = {http://geodesic.mathdoc.fr/item/MAN_1937__114_159929/}
}