@article{1029000372,
author = {DeKleine, Herbert Arthur},
title = {A counterexample to a conjecture in second-order linear equations.},
journal = {Michigan Math. J.},
volume = {17},
number = {1},
year = {1970},
pages = { 29-32},
language = {en},
url = {http://dml.mathdoc.fr/item/1029000372}
}
DeKleine, Herbert Arthur. A counterexample to a conjecture in second-order linear equations.. Michigan Math. J., Tome 17 (1970) no. 1, pp. 29-32. http://gdmltest.u-ga.fr/item/1029000372/