Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1967_2_1_a13, author = {I. Kh. Sabitov}, title = {One condition for rigidity of composite surfaces}, journal = {Matemati\v{c}eskie zametki}, pages = {105--114}, publisher = {mathdoc}, volume = {2}, number = {1}, year = {1967}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a13/} }
I. Kh. Sabitov. One condition for rigidity of composite surfaces. Matematičeskie zametki, Tome 2 (1967) no. 1, pp. 105-114. http://geodesic.mathdoc.fr/item/MZM_1967_2_1_a13/