%0 Journal Article %A I. Kh. Sabitov %T Possible generalizations of the Minagawa–Rado Lemma on the rigidity of a surface of revolution with a fixed parallel %J Matematičeskie zametki %D 1976 %P 123-132 %V 19 %N 1 %U http://geodesic.mathdoc.fr/item/MZM_1976_19_1_a14/ %G ru %F MZM_1976_19_1_a14