Carme Àlvarez, Josep Díaz, Maria J. Serna. The hardness of intervalizing four colored caterpillars. Discrete Mathematics, 235(1-3):19-27, 2001. [doi]
@article{AlvarezDS01,
title = {The hardness of intervalizing four colored caterpillars},
author = {Carme Àlvarez and Josep Díaz and Maria J. Serna},
year = {2001},
doi = {10.1016/S0012-365X(00)00257-0},
url = {http://dx.doi.org/10.1016/S0012-365X(00)00257-0},
researchr = {https://researchr.org/publication/AlvarezDS01},
cites = {0},
citedby = {0},
journal = {Discrete Mathematics},
volume = {235},
number = {1-3},
pages = {19-27},
}