@article{IVM_1980_2_a5,
     author = {S. G. Mikhlin},
     title = {The approximate solution of one-sided variational problems},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {45--58},
     publisher = {mathdoc},
     number = {2},
     year = {1980},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_1980_2_a5/}
}