Geodesic
Variational problem for some class of nonlinear pseudoparabolic operators
Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2008), pp. 24-33 
A. A. Petrosyan. Variational problem for some class of nonlinear pseudoparabolic operators. Proceedings of the Yerevan State University. Physical and mathematical sciences, no. 1 (2008), pp. 24-33. http://geodesic.mathdoc.fr/item/UZERU_2008_1_a3/
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Voir la notice de l'article provenant de la source Math-Net.Ru

In the paper a variational inequality is considered for pseudoparabolic operators. The theorem of existence and uniqueness of weak solution is proved. Also it’s proved the solvability of corresponding initial – boundary value problem and is shown it to be equivalent to variational inequality.

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