@article{1183529929,
author = {Sherman, Thomas L.},
title = {On solutions of $N$th order linear differential equations with $N$ zeros},
journal = {Bull. Amer. Math. Soc.},
volume = {74},
number = {6},
year = {1968},
pages = { 923-925},
language = {en},
url = {http://dml.mathdoc.fr/item/1183529929}
}
Sherman, Thomas L. On solutions of $N$th order linear differential equations with $N$ zeros. Bull. Amer. Math. Soc., Tome 74 (1968) no. 6, pp. 923-925. http://gdmltest.u-ga.fr/item/1183529929/