BibTex format
@article{PRETZEL:1979:10.1016/0012-365X(79)90157-2,
author = {PRETZEL, O},
doi = {10.1016/0012-365X(79)90157-2},
journal = {DISCRETE MATHEMATICS},
pages = {91--92},
title = {ANOTHER PROOF OF DILWORTH DECOMPOSITION THEOREM},
url = {http://dx.doi.org/10.1016/0012-365X(79)90157-2},
volume = {25},
year = {1979}
}