@article{https://doi.org/10.48550/arxiv.1710.04640,
doi = {10.48550/ARXIV.1710.04640},
url = {https://arxiv.org/abs/1710.04640},
author = {Akagi,
Javier T. and Gaona,
Carlos F. and Mendoza,
Fabricio and Saikia,
Manjil P. and Villagra,
Marcos},
keywords = {Computational Complexity (cs.CC),
Data Structures and Algorithms (cs.DS),
Combinatorics (math.CO),
FOS: Computer and information sciences,
FOS: Computer and information sciences,
FOS: Mathematics,
FOS: Mathematics,
F.2.2; G.2.1,
68R05},
title = {Hard and Easy Instances of L-Tromino Tilings},
publisher = {arXiv},
year = {2017},
copyright = {arXiv.org perpetual,
non-exclusive license} }