Restricted <mml:math xmlns:mml="http://www.w3.org/1998/Math/MathML" altimg="si1.gif" display="inline" overflow="scroll"><mml:mi>k</mml:mi></mml:math>-ary words and functional equations

Discrete Applied Mathematics - Tập 157 - Trang 602-616 - 2009
Ghassan Firro1, Toufik Mansour1
1Department of Mathematics, University of Haifa, 31905 Haifa, Israel

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