@article{02010117,
title = {Positive solutions of neutral delay differential equation.},
journal = {Novi Sad Journal of Mathematics},
volume = {32},
year = {2002},
pages = {95-108},
zbl = {1042.34104},
language = {en},
url = {http://dml.mathdoc.fr/item/02010117}
}
Péics, Hajnalka; Karsai, János. Positive solutions of neutral delay differential equation.. Novi Sad Journal of Mathematics, Tome 32 (2002) pp. 95-108. http://gdmltest.u-ga.fr/item/02010117/