@article{1102784343,
author = {Campbell, Douglas M. and Singh, V.},
title = {Valence properties of the solution of a differential equation.},
journal = {Pacific J. Math.},
volume = {85},
number = {2},
year = {1979},
pages = { 29-33},
language = {en},
url = {http://dml.mathdoc.fr/item/1102784343}
}
Campbell, Douglas M.; Singh, V. Valence properties of the solution of a differential equation.. Pacific J. Math., Tome 85 (1979) no. 2, pp. 29-33. http://gdmltest.u-ga.fr/item/1102784343/