@article{10_21136_CMJ_1990_102385,
     author = {\v{S}vec, Alois},
     title = {On the affine normal},
     journal = {Czechoslovak Mathematical Journal},
     pages = {332--342},
     publisher = {mathdoc},
     volume = {40},
     number = {2},
     year = {1990},
     doi = {10.21136/CMJ.1990.102385},
     mrnumber = {1046299},
     zbl = {0708.53010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1990.102385/}
}