On two problems of Erd ̋os and Hechler: New methods in singular Madness. Kojman, M.; Kubis, W.; and Shelah, S. Proceedings of the American Mathematical Society, 132:3357–3365, 2004. arxiv:math/0406441 bibtex @article{KKSh:793,
author = {Kojman, Menachem and Kubis, Wieslaw and Shelah, Saharon},
trueauthor = {Kojman, Menachem and Kubi\'s, Wies{\l}aw and Shelah,
Saharon},
fromwhere = {IL,IL,IL},
journal = {Proceedings of the American Mathematical Society},
note = { arxiv:math/0406441 },
pages = {3357--3365},
title = {{On two problems of Erd\H os and Hechler: New methods
in singular Madness}},
volume = {132},
year = {2004},
}