@article{AM2_1987__32_137190,
     author = {Helmut Gericke},
     title = {Randbemerkungen zur historischen {Entwicklung} des {Tangentenbegriffs.}},
     journal = {Aequationes mathematicae},
     pages = {259--270},
     publisher = {mathdoc},
     volume = {32},
     year = {1987},
     zbl = {0617.01001},
     url = {http://geodesic.mathdoc.fr/item/AM2_1987__32_137190/}
}