@misc{MZ_1924__19_167764,
     title = {Bell, {E.} {T.,} {Umbral} symmetric functions and algebraic analogues                   of the {Bernoullian} and {Eulerian} numbers and functions},
     journal = {Mathematische Zeitschrift},
     pages = {35--49},
     publisher = {mathdoc},
     volume = {19},
     year = {1924},
     zbl = {49.0250.02},
     url = {http://geodesic.mathdoc.fr/item/MZ_1924__19_167764/}
}