@article{700446,
title = {Positive solutions of $p$-type retarded functional linear differential equations},
booktitle = {Proceedings of Equadiff 11},
series = {GDML\_Books},
publisher = {Comenius University Press},
address = {Bratislava},
year = {2007},
pages = {475-484},
url = {http://dml.mathdoc.fr/item/700446}
}
Svoboda, Zdeněk. Positive solutions of $p$-type retarded functional linear differential equations, dans Proceedings of Equadiff 11, GDML_Books, (2007), pp. 475-484. http://gdmltest.u-ga.fr/item/700446/