[BFJ B. BALCAR R. FRANKIEWICZ:
To distinguish topologically the space $m*$ .II. Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 26 (1978), 521-523.
MR 0511955
[BPS] B. BALCAR J. PELANT P. SIMON:
The space of ultrafilters on $N$ covered by nowhere dense sets. to appear in Fund. Math.
MR 0600576
[BV] B. BALCAR P. VOPĚNKA:
On systems of almost disjoint sets. Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 20 (1972), 421-424.
MR 0314618
[F] R. FRANKIEWICZ:
To distinguish topologically the space $m*$. Bull. Acad. Polon. Sci. Sér. Sci. Math. Astronom. Phys. 25 (1977), 891-893.
MR 0461444 |
Zbl 0372.54003
[H] S. H. HECHLER:
On the existence of certain cofinal subsets of ${}^{\omega }\omega $. in: Axiomatic set theory, Proc. Symp. Pure Math. 13, II (T. Jech, ed.), 155-173. Amer. Math. Soc, Providence, Rhode Island, 1974.
MR 0360266
[MS] D. A. MARTIN R. M. SOLOVAY:
Internal Cohen extension. Ann. Math. Logic 2 (1970), 143-178.
MR 0270904
[KS] A. KUCIA A. SZYMAŃSKI:
Absolute points in $/beta N - N$. Czcechoslovak Math. Jour. 26 (1976), 381-387.
MR 0413046