@article{SJIM_2017_20_4_a5,
     author = {Yu. V. Klochkov and A. P. Nikolaev and O. V. Vakhnina and T. A. Kiseleva},
     title = {The use of {Lagrange} multipliers in the triangular element of a~nonplanar shell under variable interpolation of displacements},
     journal = {Sibirskij \v{z}urnal industrialʹnoj matematiki},
     pages = {44--54},
     publisher = {mathdoc},
     volume = {20},
     number = {4},
     year = {2017},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJIM_2017_20_4_a5/}
}