• DML-CZ Home
• Commentationes Mathematicae Universitatis Carolinae
• Volume 23

Author: Poljak, Svatopluk

• Poljak, Svatopluk; Turzík, Daniel; Pudlák, Pavel: Extensions of $k$-subsets to $k+1$-subsets - existence versus constructability. (English). Commentationes Mathematicae Universitatis Carolinae, vol. 23 (1982), issue 2, pp. 337-349