Hiroshi Fujiwara, Takuya Nakamura, Toshihiro Fujito. The Huffman Tree Problem with Unit Step Functions. IEICE Transactions, 98-A(6):1189-1196, 2015. [doi]
@article{FujiwaraNF15, title = {The Huffman Tree Problem with Unit Step Functions}, author = {Hiroshi Fujiwara and Takuya Nakamura and Toshihiro Fujito}, year = {2015}, url = {http://search.ieice.org/bin/summary.php?id=e98-a_6_1189}, researchr = {https://researchr.org/publication/FujiwaraNF15}, cites = {0}, citedby = {0}, journal = {IEICE Transactions}, volume = {98-A}, number = {6}, pages = {1189-1196}, }