@article{MOMA_1960__64_177099,
     author = {L. Vietoris},
     title = {Bemerkungen und {Absch\"atzungen} zur {Induktion.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {233--250},
     publisher = {mathdoc},
     volume = {64},
     year = {1960},
     zbl = {0137.37206},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1960__64_177099/}
}