@article{SJVM_2009_12_4_a4,
     author = {N. N. Kushniruk and R. V. Namm},
     title = {The {Lagrange} multipliers method for solving a~semicoercive model problem with friction},
     journal = {Sibirskij \v{z}urnal vy\v{c}islitelʹnoj matematiki},
     pages = {409--420},
     publisher = {mathdoc},
     volume = {12},
     number = {4},
     year = {2009},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/SJVM_2009_12_4_a4/}
}