@article{CLTM_1969_1969_1_a1,
     author = {Rohlfs, J\"urgen},
     title = {Verallgemeinerte {Morse} {Theorie.}},
     journal = {Collectanea mathematica},
     pages = {5-48},
     publisher = {mathdoc},
     volume = {20},
     number = {1},
     year = {1969},
     url = {http://geodesic.mathdoc.fr/item/CLTM_1969_1969_1_a1/}
}