@article{MAN_1925__93_159092,
     author = {L.E.J. Brouwer},
     title = {Zur {Begr\"undung} der intuitionistischen {Mathematik.} {I.}},
     journal = {Mathematische Annalen},
     pages = {244--257},
     year = {1925},
     volume = {93},
     language = {de},
     url = {http://geodesic.mathdoc.fr/item/MAN_1925__93_159092/}
}