TY  - JOUR
AU  - I. V. Chernykh
TI  - Some properties of clustering operators
JO  - Vestnik Moskovskogo universiteta. Matematika, mehanika
PY  - 1985
SP  - 3
EP  - 6
IS  - 2
PB  - mathdoc
UR  - http://geodesic.mathdoc.fr/item/VMUMM_1985_2_a0/
LA  - ru
ID  - VMUMM_1985_2_a0
ER  -