@article{04175485, title = {On approximation of the solutions of delay differential equations by using piecewise constant arguments.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {14}, year = {1991}, pages = {111-126}, doi = {10.1155/S016117129100011X}, zbl = {0714.34100}, language = {en}, url = {http://dml.mathdoc.fr/item/04175485} }
Györi, Istvan. On approximation of the solutions of delay differential equations by using piecewise constant arguments.. International Journal of Mathematics and Mathematical Sciences, Tome 14 (1991) pp. 111-126. doi : 10.1155/S016117129100011X. http://gdmltest.u-ga.fr/item/04175485/