W. Bula

Restrictions of open mappings of continua

E. Tymchatyn, W. Bula, 1990 .

ON A CHARACTERIZATION OF TREES

E. Tymchatyn, W. Bula, 1990 .

Continuous images of ordered compacta are regular supercompact

J. Nikiel, E. Tymchatyn, H. Tuncali, 1992 .

A characterization of smooth Cantor bouquets

L. Oversteegen, W. Bula, 1990 .

A characterization of continuous images of compact ordered spaces and the Hahn-Mazurkiewicz problem

M. Turzanski, W. Bula, 1986 .

A short proof that a compact ordered space cannot be mapped onto a nonmetric product

W. Debski, W. Kulpa, W. Bula, 1981 .