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Guha, Ashwin and Dukkipati, Ambedkar (2015) An Algorithmic Characterization of Polynomial Functions over Z(pn). In: ALGORITHMICA, 71 (1). pp. 201-218.
Guha, Ashwin and Dukkipati, Ashwin (2015) A faster algorithm for testing polynomial representability of functions over finite integer rings. In: THEORETICAL COMPUTER SCIENCE, 579 . pp. 88-99.