Geodesic
A new Proof of a Theorem of Belov
Publications de l'Institut Mathématique, _N_S_63 (1998) no. 77, p. 102

Voir la notice de l'article provenant de la source eLibrary of Mathematical Institute of the Serbian Academy of Sciences and Arts

Belov in [2] gave necessary and sufficient condition for rotational surface generated by a special quadrangular meridian, to be rigid. Belov's theorem disproved the hypothesis of Boyarski that each toroid rotational surface with convex meridian is rigid. We give another proof of Belov's theorem. The field of infinitesimal bendings is determined, the rotational field is obtained too. The method, used here, can be applied in a case of every rotational surface generated by a simple polygon [6].
Classification : 53A05
Keywords: Infinitesimal bending, rigidity, fields of bendings and rotations 
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     author = {Ljubica S. Velimirovi\'c},
     title = {A new {Proof} of a {Theorem} of {Belov}},
     journal = {Publications de l'Institut Math\'ematique},
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     publisher = {mathdoc},
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     year = {1998},
     zbl = {0970.53005},
     language = {en},
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Ljubica S. Velimirović. A new Proof of a Theorem of Belov. Publications de l'Institut Mathématique, _N_S_63 (1998) no. 77, p. 102 . http://geodesic.mathdoc.fr/item/PIM_1998_N_S_63_77_a11/