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| 1988 | ||
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| 2 | Igor A. Ushakov: Reliability Analysis of Multistate Systems by Means of a Modified Generating Function. Elektronische Informationsverarbeitung und Kybernetik 24(3): 131-135 (1988) | |
| 1 | Igor A. Ushakov: Solving an Optimal Redundancy Problem by Means of Generalized Generating Functions. Elektronische Informationsverarbeitung und Kybernetik 24(4/5): 219-222 (1988) | |