@article{10_26493_1855_3974_2110_6f2,
     author = {Simone Costa and Anita Pasotti and Marco Antonio Pellegrini},
     title = {
		{Relative} {Heffter} arrays and biembeddings
	},
     journal = {Ars Mathematica Contemporanea},
     pages = {241--271},
     publisher = {mathdoc},
     volume = {18},
     number = {2},
     year = {2020},
     doi = {10.26493/1855-3974.2110.6f2},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2110.6f2/}
}