TY - BOOK ID - 1814326 TI - Combinatorics: room squares, sum-free sets, Hadamard matrices AU - Wallis, W. D. AU - Street, Anne Penfold AU - Wallis, Jennifer Seberry PY - 1972 SN - 3540060359 0387060359 3540379940 PB - Berlin DB - UniCat KW - Discrete mathematics KW - 519.1 KW - Combinatorics. Graph theory KW - Combinatorial analysis. KW - Hadamard matrices. KW - 519.1 Combinatorics. Graph theory KW - Analyse combinatoire UR - https://www.unicat.be/uniCat?func=search&query=sysid:1814326 AB - ER -