TY  - JOUR
AU  - Lassak, Marek
TI  - Relative extreme subsets
JO  - Compositio Mathematica
PY  - 1985
SP  - 233
EP  - 236
VL  - 56
IS  - 2
PB  - Martinus Nijhoff Publishers
UR  - http://archive.numdam.org/item/CM_1985__56_2_233_0/
LA  - en
ID  - CM_1985__56_2_233_0
ER  -