@article{GDZPPN00242214X, title = {Classical Solutions of the Chain Equations.}, journal = {Mathematische Zeitschrift}, volume = {166}, year = {1979}, pages = {67-82}, zbl = {0407.35070}, url = {http://dml.mathdoc.fr/item/GDZPPN00242214X} }
Reeken, Michael. Classical Solutions of the Chain Equations.. Mathematische Zeitschrift, Tome 166 (1979) pp. 67-82. http://gdmltest.u-ga.fr/item/GDZPPN00242214X/