@article{79820969dacc452d8a830abc74c6c118,
title = "Enumeration of index 3 and 4 subgroups of hyperbolic triangle symmetry groups",
keywords = "Color symmetry, Hyperbolic symmetry groups, Index 3 and 4 subgroups of triangle groups, Perfect colorings",
author = "{De Las Pe{\~n}as}, {Ma Louise Antonette N.} and Felix, {Rene P.} and Decena, {Ma Carlota B.}",
year = "2008",
doi = "10.1524/zkri.2008.1022",
language = "English",
volume = "223",
pages = "543--551",
journal = "Zeitschrift fur Kristallographie",
issn = "0044-2968",
publisher = "Walter de Gruyter GmbH",
number = "9",
}