1999 | ||
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2 | EE | Rotislav I. Grigorchuk, A. Machì: An Example of an Indexed Language of Intermediate Growth. Theor. Comput. Sci. 215(1-2): 325-327 (1999) |
1982 | ||
1 | EE | A. Machì: On the complexity of a hypermap. Discrete Mathematics 42(2-3): 221-226 (1982) |
1 | Rotislav I. Grigorchuk | [2] |