@article{10_1017_S0017089500005450,
     author = {Rubel, Lee A.},
     title = {The motions of algebraic differential equations},
     journal = {Glasgow mathematical journal},
     pages = {93--96},
     year = {1984},
     volume = {25},
     number = {1},
     doi = {10.1017/S0017089500005450},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005450/}
}