@article{MZ_1986__191_173697,
     author = {Sebasti\'an Montiel and A. Ros and F. Urbano},
     title = {Curvature {Pinching} and {Eigenvalue} {Rigidity} for {Minimal} {Submanifolds.}},
     journal = {Mathematische Zeitschrift},
     pages = {537--548},
     publisher = {mathdoc},
     volume = {191},
     year = {1986},
     zbl = {0563.53046},
     url = {http://geodesic.mathdoc.fr/item/MZ_1986__191_173697/}
}