@article{1183502711, author = {Martin, Monroe H.}, title = {Real asymptotic solutions of real differential equations}, journal = {Bull. Amer. Math. Soc.}, volume = {46}, number = {11}, year = {1940}, pages = { 475-481}, language = {en}, url = {http://dml.mathdoc.fr/item/1183502711} }
Martin, Monroe H. Real asymptotic solutions of real differential equations. Bull. Amer. Math. Soc., Tome 46 (1940) no. 11, pp. 475-481. http://gdmltest.u-ga.fr/item/1183502711/