@article{10_4153_CMB_1966_030_9,
     author = {Blum, Richard},
     title = {A {Remarkable} {Class} of {Mannheim-Curves}},
     journal = {Canadian mathematical bulletin},
     pages = {223--228},
     year = {1966},
     volume = {9},
     number = {2},
     doi = {10.4153/CMB-1966-030-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1966-030-9/}
}