In this paper property (A) of the linear delay differential equation \[ L_nu(t)+p(t)u(\tau (t))= 0, \] is to deduce from the oscillation of a set of the first order delay differential equations.
@article{107531,
author = {Jozef D\v zurina},
title = {A comparison theorem for linear delay differential equations},
journal = {Archivum Mathematicum},
volume = {031},
year = {1995},
pages = {113-120},
zbl = {0841.34071},
mrnumber = {1357979},
language = {en},
url = {http://dml.mathdoc.fr/item/107531}
}
Džurina, Jozef. A comparison theorem for linear delay differential equations. Archivum Mathematicum, Tome 031 (1995) pp. 113-120. http://gdmltest.u-ga.fr/item/107531/
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