TY - JOUR AU - Singerman, David TI - Orientable and non-orientable Klein surfaces with maximal symmetry JO - Glasgow mathematical journal PY - 1985 SP - 31 EP - 34 VL - 26 IS - 1 UR - http://geodesic.mathdoc.fr/articles/10.1017/S0017089500005747/ DO - 10.1017/S0017089500005747 ID - 10_1017_S0017089500005747 ER -