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1973 | ||
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3 | Ronald Alter, K. K. Kubota: Prime and Prime Power Divisibility of Catalan Numbers. J. Comb. Theory, Ser. A 15(3): 243-256 (1973) | |
1968 | ||
2 | Ronald Alter: On the Non-Existence of Perfect Double Hamming-Error-Correcting Codes on q = 8 and q = 9 Symbols Information and Control 13(6): 619-627 (1968) | |
1 | Ronald Alter: On the Nonexistence of Close-Packed Double Hamming-Error-Correcting Codes on q=7 Symbols. J. Comput. Syst. Sci. 2(2): 169-176 (1968) |
1 | K. K. Kubota | [3] |