@article{VSGTU_2018_22_3_a3,
     author = {I. E. Keller and D. S. Petukhov and A. Kazantsev and V. N. Trofimov},
     title = {The limit diagram under hot sheet metal forming. 
},
     journal = {Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences},
     pages = {447--486},
     publisher = {mathdoc},
     volume = {22},
     number = {3},
     year = {2018},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/VSGTU_2018_22_3_a3/}
}