TY - JOUR AU - K. Fukaya TI - Collapsing of Riemannian manifolds and eigenvalues of La-place operator. JO - Inventiones mathematicae PY - 1987 SP - 517 EP - 548 VL - 87 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/IM_1987__87_143434/ ID - IM_1987__87_143434 ER -