Classic Papers in Combinatorics pp 269-275
Combinatorial Properties of Matrices of Zeros and Ones
This paper is concerned with a matrix A of m rows and n columns, all of whose entries are 0’s and 1’s. Let the sum of row i of A be denoted by ri (i = 1, ... , m) and let the sum of column i of A be denoted by Si (i = 1, ... ,n).
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