@article{10_37236_11891,
     author = {Simone Costa and Lorenzo Mella and Anita Pasotti},
     title = {Weak {Heffter} arrays and biembedding graphs on non-orientable surfaces},
     journal = {The electronic journal of combinatorics},
     year = {2024},
     volume = {31},
     number = {1},
     doi = {10.37236/11891},
     zbl = {1533.05042},
     url = {http://geodesic.mathdoc.fr/articles/10.37236/11891/}
}