TY - JOUR AU - Simone Costa AU - Lorenzo Mella AU - Anita Pasotti TI - Weak Heffter arrays and biembedding graphs on non-orientable surfaces JO - The electronic journal of combinatorics PY - 2024 VL - 31 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.37236/11891/ DO - 10.37236/11891 ID - 10_37236_11891 ER -