Voir la notice de l'article provenant de la source Math-Net.Ru
@article{MZM_1971_9_3_a0, author = {K. M. Belov}, title = {Twist of deformation characteristics}, journal = {Matemati\v{c}eskie zametki}, pages = {233--238}, publisher = {mathdoc}, volume = {9}, number = {3}, year = {1971}, language = {ru}, url = {http://geodesic.mathdoc.fr/item/MZM_1971_9_3_a0/} }
K. M. Belov. Twist of deformation characteristics. Matematičeskie zametki, Tome 9 (1971) no. 3, pp. 233-238. http://geodesic.mathdoc.fr/item/MZM_1971_9_3_a0/