@inproceedings{bdj-cpr-08
, author = {S. Bereg and A. Dumitrescu and M. Jiang}
, title = {On covering problems of {R}ado}
, booktitle = {Proc. 12th Scand. Workshop Algorithm Theory (SWAT'08)}
, year = {2008}
, series = {LNCS 5124}
, pages = {294--305}
, url = {http://dx.doi.org/10.1007/978-3-540-69903-3_27}
}