@article{MOMA_1980__90_177977,
     author = {Kurt Sch\"utte},
     title = {Beweistheoretische {Abgrenzung} von {Teilsystemen} der {Analysis.}},
     journal = {Monatshefte f\"ur Mathematik},
     pages = {1--12},
     publisher = {mathdoc},
     volume = {90},
     year = {1980},
     zbl = {0434.03040},
     url = {http://geodesic.mathdoc.fr/item/MOMA_1980__90_177977/}
}