For citations:
Demyankov N.A. Variational inequalities and the principle of virtual displacements. Modeling and Analysis of Information Systems. 2010;17(3):48-57. (In Russ.)
Demyankov N.A. Variational inequalities and the principle of virtual displacements. Modeling and Analysis of Information Systems. 2010;17(3):48-57. (In Russ.)