TY - JOUR AU - Laflamme, Claude TI - Partitions of $k$-branching trees and the reaping number of Boolean algebras JO - Commentationes Mathematicae Universitatis Carolinae PY - 1993 SP - 397 EP - 399 VL - 34 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMUC_1993__34_2_a22/ LA - en ID - CMUC_1993__34_2_a22 ER -