Charatonik, J. J.: Problems and remarks on contractibility of curves.
(English).
In:
Novák, Josef (ed.): General topology and its relations to modern analysis and algebra IV, Proceedings of the fourth Prague topological symposium, 1976.
Part B: Contributed Papers.
Society of Czechoslovak Mathematicians and Physicist, Praha, 1977.
pp. 72-76
Charatonik, J. J.: On the fixed point property for set-valued mappings of hereditarily decomposable continua.
(English).
In:
Novák, J. (ed.): General Topology and its Relations to Modern Analysis and Algebra.
Proceedings of the Third Prague Topological Symposium, 1971.
Academia Publishing House of the Czechoslovak Academy of Sciences, Praha, 1972.
pp. 83-84