@article{IVM_2011_6_a5,
     author = {V. S. Klimov and N. A. Demyankov},
     title = {Relative rotation and variational inequalities},
     journal = {Izvesti\^a vys\v{s}ih u\v{c}ebnyh zavedenij. Matematika},
     pages = {44--54},
     publisher = {mathdoc},
     number = {6},
     year = {2011},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/IVM_2011_6_a5/}
}