Bounds on the outer-independent double Italian domination number
Communications in Combinatorics and Optimization 6 (2021), no. 1, 123--136.
BibTex references
@Article\{AJV21,
author = "Azvin, F. and Jafari Rad, N. and Volkmann, Lutz",
title = "Bounds on the outer-independent double Italian domination number",
journal = "Communications in Combinatorics and Optimization",
number = "1",
volume = "6",
pages = "123--136",
year = "2021",
}