@article{GFA_1995__5_4_58207,
     author = {S.B. Kuksin},
     title = {On {Squeezing} and {Flow} of {Energy} for {Nonlinear} {Wave} {Equations.}},
     journal = {Geometric and functional analysis},
     pages = {668--701},
     publisher = {mathdoc},
     volume = {5},
     number = {4},
     year = {1995},
     zbl = {0834.35086},
     url = {http://geodesic.mathdoc.fr/item/GFA_1995__5_4_58207/}
}