Search results
Journal of Mathematical Analysis and Applications > 2012 > 394 > 2 > 481-487
Topology and its Applications > 2011 > 158 > 5 > 653-659
Topology and its Applications > 2001 > 109 > 2 > 237-256
Fundamenta Mathematicae > 1994-1995 > 146 > 1 > 31-58
Fundamenta Mathematicae > 1992 > 141 > 3 > 243-255