TY - JOUR AU - Dennis Sullivan TI - A homological characterization of foliations consisting of minimal surfaces. JO - Commentarii mathematici Helvetici PY - 1979 SP - 218 EP - 223 VL - 54 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/CMH_1979__54_139780/ ID - CMH_1979__54_139780 ER -