@article{00679893, title = {On some properties of solutions of second-order linear functional differential equations.}, journal = {Georgian Mathematical Journal}, volume = {1}, year = {1994}, pages = {487-494}, doi = {10.1007/BF02317679}, zbl = {0810.34067}, language = {en}, url = {http://dml.mathdoc.fr/item/00679893} }
Kiguradze, I. On some properties of solutions of second-order linear functional differential equations.. Georgian Mathematical Journal, Tome 1 (1994) pp. 487-494. doi : 10.1007/BF02317679. http://gdmltest.u-ga.fr/item/00679893/