TY  - BOOK
AU  - Grüttmüller, Martin
AU  - Streso, Katy
PY  - 2003
DA  - 2003//
TI  - On the existence of a PBD(30, { 4, 5, 7, 8*})
T3  - Preprints aus dem Institut für Mathematik
CY  - Germany; Rostock
AB  - In the present paper we will prove by an exhaustive search method that a pairwise balanced design on 30 points with blocks of size 4, 5, 7 and exactly one block of size 8 does not exist.<eng>
UR  - https://purl.uni-rostock.de/rosdok/id00005918
UR  - https://doi.org/10.18453/rosdok_id00005918
DO  - 10.18453/rosdok_id00005918
LA  - English
N1  - Martin Grüttmüller and Katy Streso
ID  - 198791595X
ER  -