@article{DAN_1957_113_2_a13,
     author = {D. D. Ivlev},
     title = {Approximate solution of elastic-plastic problems of the theory of ideal plasticity},
     journal = {Doklady Akademii Nauk},
     pages = {294--296},
     publisher = {mathdoc},
     volume = {113},
     number = {2},
     year = {1957},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/DAN_1957_113_2_a13/}
}