M. Werman, Doron Zeilberger. A bijective proof of Cassini s Fibonacci identity. Discrete Mathematics, 58(1):109, 1986. [doi]
@article{WermanZ86,
title = {A bijective proof of Cassini s Fibonacci identity},
author = {M. Werman and Doron Zeilberger},
year = {1986},
doi = {10.1016/0012-365X(86)90194-9},
url = {http://dx.doi.org/10.1016/0012-365X(86)90194-9},
researchr = {https://researchr.org/publication/WermanZ86},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {58},
number = {1},
pages = {109},
}