1980 | ||
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3 | Eric Verheiden: Integral and Rational Completions of Hadamard Matrices. J. Comb. Theory, Ser. A 29(3): 336-345 (1980) | |
1979 | ||
2 | Eric Verheiden: Integral and Rational Completions of Combinatorial Matrices II. J. Comb. Theory, Ser. A 27(2): 198-212 (1979) | |
1978 | ||
1 | Eric Verheiden: Integral and Rational Completions of Combinatorial Matrices. J. Comb. Theory, Ser. A 25(3): 267-276 (1978) |