@article{SIGMA_2018_14_a30,
     author = {Susan Jane Colley and Gary Kennedy},
     title = {Cartan {Prolongation} of a {Family} of {Curves} {Acquiring} a {Node}},
     journal = {Symmetry, integrability and geometry: methods and applications},
     year = {2018},
     volume = {14},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SIGMA_2018_14_a30/}
}