@article{SM_2013_204_10_a3,
     author = {I. Kh. Sabitov},
     title = {Infinitesimal and global rigidity and inflexibility of~surfaces of revolution with flattening at the poles},
     journal = {Sbornik. Mathematics},
     pages = {1516--1547},
     year = {2013},
     volume = {204},
     number = {10},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/SM_2013_204_10_a3/}
}