@article{MZM_1976_19_1_a14,
     author = {I. Kh. Sabitov},
     title = {Possible generalizations of the {Minagawa{\textendash}Rado} {Lemma} on the rigidity of a~surface of revolution with a~fixed parallel},
     journal = {Matemati\v{c}eskie zametki},
     pages = {123--132},
     year = {1976},
     volume = {19},
     number = {1},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_1976_19_1_a14/}
}