@article{VMUMM_1986_5_a5,
     author = {I. Kh. Sabitov},
     title = {Investigation of the rigidity and inflexibility of analytic surfaces of revolution with flattening at the pole},
     journal = {Vestnik Moskovskogo universiteta. Matematika, mehanika},
     pages = {29--36},
     publisher = {mathdoc},
     number = {5},
     year = {1986},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VMUMM_1986_5_a5/}
}