@article{1250129854,
author = {Mawhin, Jean},
title = {Stable homotopy and ordinary differential equations with nonlinear boundary conditions},
journal = {Rocky Mountain J. Math.},
volume = {7},
number = {4},
year = {1977},
pages = { 417-424},
language = {en},
url = {http://dml.mathdoc.fr/item/1250129854}
}
Mawhin, Jean. Stable homotopy and ordinary differential equations with nonlinear boundary conditions. Rocky Mountain J. Math., Tome 7 (1977) no. 4, pp. 417-424. http://gdmltest.u-ga.fr/item/1250129854/