@article{TMF_2004_139_3_a8,
     author = {V. I. Kuvshinov and V. V. Marmysh and V. A. Shaporov},
     title = {The {Relation} and {Evolution} of {Squeezing} and {Instability} for {Systems} with {Quadratic} {Hamiltonians}},
     journal = {Teoreti\v{c}eska\^a i matemati\v{c}eska\^a fizika},
     pages = {477--490},
     publisher = {mathdoc},
     volume = {139},
     number = {3},
     year = {2004},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/TMF_2004_139_3_a8/}
}