@article{ShSo:370,
author = {Shelah, Saharon and Soukup, Lajos},
fromwhere = {Il,H},
journal = {Israel Journal of Mathematics},
note = { arxiv:math/9401210 },
pages = {349--371},
title = {{On the number of non-isomorphic subgraphs}},
volume = {86},
year = {1994},
}