Characterizations of the countable infinite product of rationals and some related problems.
(English).
In:
Frolík, Z., Souček, V.
and
Vinárek, J. (eds.):
Proceedings of the 13th Winter School on Abstract Analysis.
Section of Topology.
Circolo Matematico di Palermo, Palermo, 1985.
pp. [37]-54