@article{DBLP:journals/siamcomp/VermaR89,
author = {Rakesh M. Verma and
Steven W. Reyner},
title = {An Analysis of a Good Algorithm for the Subtree Problem,
Corrected},
journal = {SIAM J. Comput.},
volume = {18},
number = {5},
year = {1989},
pages = {906-908},
ee = {http://dx.doi.org/10.1137/0218062},
bibsource = {DBLP, http://dblp.uni-trier.de}
}