1972 - Combinatorics Room Squares Sumfree Sets Hadamard Matrices [Lecture Notes in Mathematics] (Paperback) ISBN-13: 9783540060352 ISBN-10: 3540060359 ? Combinatorics Room Squares Sumfree Sets Hadamard Matrices [Lecture notes in mathematics, 292] (Other) ISBN-13: 9780387060354 ISBN-10: 0387060359 Genre: Science & Math ? |