@article{CM_1976__32_2_169_0,
     author = {Baues, Hans Joachim},
     title = {Relative {Homotopiegruppen} bei {Abbildungskegeln}},
     journal = {Compositio Mathematica},
     pages = {169--183},
     publisher = {Noordhoff International Publishing},
     volume = {32},
     number = {2},
     year = {1976},
     mrnumber = {415612},
     zbl = {0328.55006},
     language = {de},
     url = {http://www.numdam.org/item/CM_1976__32_2_169_0/}
}