@article{article17acce8f,
title   = {Searching in Random partially ordered sets},
author = {Carmo, Renato José da Silva and Donadelli Junior, Jair and Kohayakawa, Yoshiharu and Laber, Eduardo Sany},
year = {2004},
doi = {10.1016/j.tcs.2003.06.001},
journal   = {Theoretical Computer Science}
}