TY - JOUR AU - Joel Hass AU - Charles Frohman TI - Unstable minimal surfaces and Heegaard splittings. JO - Inventiones mathematicae PY - 1989 SP - 529 EP - 540 VL - 95 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1989__95_3_143664/ ID - IM_1989__95_3_143664 ER -