@article{PORMA_1998__55_3_48152,
     author = {Frota, C.L. and Lar'kin, N.A.},
     title = {On a variational inequality for the nonhomogeneous degenerated {Kirchhoff} equation with a frictional damping.},
     journal = {Portugaliae mathematica},
     pages = {277--291},
     publisher = {mathdoc},
     volume = {55},
     number = {3},
     year = {1998},
     zbl = {0914.35086},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/PORMA_1998__55_3_48152/}
}