@article{10_4064_cm_41_2_253_255,
     author = {Wolfgang K\"uhnel},
     title = {A lower bound for the i-th total absolute curvature of an immersion},
     journal = {Colloquium Mathematicum},
     pages = {253--255},
     publisher = {mathdoc},
     volume = {41},
     number = {2},
     year = {1979},
     doi = {10.4064/cm-41-2-253-255},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.4064/cm-41-2-253-255/}
}