@article{1183548125, author = {Rubel, Lee A.}, title = {A universal differential equation}, journal = {Bull. Amer. Math. Soc. (N.S.)}, volume = {4}, number = {1}, year = {1981}, pages = { 345-349}, language = {en}, url = {http://dml.mathdoc.fr/item/1183548125} }
Rubel, Lee A. A universal differential equation. Bull. Amer. Math. Soc. (N.S.), Tome 4 (1981) no. 1, pp. 345-349. http://gdmltest.u-ga.fr/item/1183548125/