@article{AA_2010_22_4_a0,
     author = {G. G. Amosov and A. D. Baranov and V. V. Kapustin},
     title = {On perturbations of the isometric semigroup of shifts on the semiaxis},
     journal = {Algebra i analiz},
     pages = {1--20},
     publisher = {mathdoc},
     volume = {22},
     number = {4},
     year = {2010},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/AA_2010_22_4_a0/}
}