@UNPUBLISHED{publication1, title = "Nonorientable hypermaps of a given type and genus", author = "{MARQUES PINTO, Daniel}", year = "2017-12-21", abstract = " We prove that given positive integers m,n with 2m-1 + n-1 \< 1 and an integer g \≥ 1, there are infinitely many nonisomorphic compact nonorientable hypermaps of type (m,m,n) and genus g. The technique we apply here is based on the constructions used to demonstrate the same result for orientable hypermaps, making the suitable adjustaments. ", url = "http://www.mat.uc.pt/preprints/eng\_2017.html", note = "" }