%0 Journal Article %A Simone Costa %A Anita Pasotti %A Marco Antonio Pellegrini %T Relative Heffter arrays and biembeddings %J Ars mathematica contemporanea %D 2020 %P 241-271 %V 18 %N 2 %U http://geodesic.mathdoc.fr/articles/10.26493/1855-3974.2110.6f2/ %R 10.26493/1855-3974.2110.6f2 %G en %F 10_26493_1855_3974_2110_6f2