@article{MZ_1953__59_169378,
     author = {T. Minagawa and T. Rado},
     title = {On the infinitesimal rigidity of surfaces of revolution.},
     journal = {Mathematische Zeitschrift},
     pages = {151--163},
     year = {1953},
     volume = {59},
     zbl = {0051.12403},
     url = {http://geodesic.mathdoc.fr/item/MZ_1953__59_169378/}
}