TY - JOUR AU - Wilhelm Singhof TI - Minimal Coverings of Manifolds with Balls. JO - Manuscripta mathematica PY - 1979 SP - 385 EP - 416 VL - 29 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MM2_1979__29_154669/ ID - MM2_1979__29_154669 ER -