@article {65516,
	title = {On some classes of linear codes over Z2Z4 and their covering radii},
	journal = {Journal of Applied Mathematics and ComputingJournal of Applied Mathematics and Computing},
	volume = {53},
	year = {2016},
	month = {2016},
	pages = {201{\textendash}222},
	abstract = {In this paper, we define the simplex and MacDonald codes of types\&nbsp;αα\&nbsp;and\&nbsp;β\&nbsp;over\&nbsp;Z2Z4. We also examine the covering radii of these codes. Further, we study the binary images of these codes and prove that the binary image of the simplex codes of type\&nbsp;αα\&nbsp;meets the Gilbert bound.},
	author = {Chatouh, Karima and Guenda, Kenza and Gulliver, T. Aaron and Noui, Lemnouar}
}
