Emeric Deutsch, Daniele Donini. Counting Tilings with L-Tiles and Squares: 10877. The American Mathematical Monthly, 110(3):245-246, 2003. [doi]
@article{DeutschD03, title = {Counting Tilings with L-Tiles and Squares: 10877}, author = {Emeric Deutsch and Daniele Donini}, year = {2003}, url = {http://www.jstor.org/stable/3647950}, researchr = {https://researchr.org/publication/DeutschD03}, cites = {0}, citedby = {0}, journal = {The American Mathematical Monthly}, volume = {110}, number = {3}, pages = {245-246}, }