Pierre Verbaeten. The automatic construction of pure recurrence relations. ACM Comm. Computer Algebra, 8(3):96-98, 1974. [doi]
@article{Verbaeten74,
title = {The automatic construction of pure recurrence relations},
author = {Pierre Verbaeten},
year = {1974},
doi = {10.1145/1086837.1086854},
url = {http://doi.acm.org/10.1145/1086837.1086854},
researchr = {https://researchr.org/publication/Verbaeten74},
cites = {0},
citedby = {0},
journal = {ACM Comm. Computer Algebra},
volume = {8},
number = {3},
pages = {96-98},
}