TY - JOUR AU - Wilton, Henry TI - Essential surfaces in graph pairs JO - Journal of the American Mathematical Society PY - 2018 SP - 893 EP - 919 VL - 31 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/articles/10.1090/jams/901/ DO - 10.1090/jams/901 ID - 10_1090_jams_901 ER -