TY  - JOUR
AU  - V. Pták
TI  - A combinatorial lemma on the existence of convex means and its application to weak compactness
JO  - Matematika
PY  - 1966
SP  - 44
EP  - 59
VL  - 10
IS  - 6
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/MAT_1966_10_6_a2/
LA  - ru
ID  - MAT_1966_10_6_a2
ER  -