TY - GEN T1 - Strong Coupling Singularities and Non-abelian Gauge Symmetries in $N=2$ String Theory UR - https://doi.org/10.1016/0550-3213(96)00108-3 PY - 1996/01/05 AU - Klemm A AU - Mayr P ED - Y2 - 2026/09/12 ER -