Composant-like decompositions
Tom 140 / 1991
Fundamenta Mathematicae 140 (1991), 69-78
DOI: 10.4064/fm-140-1-69-78
Streszczenie
The body of this paper falls into two independent sections. The first deals with the existence of cross-sections in $F_σ$-decompositions. The second deals with the extensions of the results on accessibility in the plane.