@article{MZM_2013_94_3_a9,
     author = {A. G. Chshiev},
     title = {The {Gearhart--Pr\"uss} {Theorem} for a {Class} of {Degenerate} {Semigroups} of {Operators}},
     journal = {Matemati\v{c}eskie zametki},
     pages = {426--440},
     publisher = {mathdoc},
     volume = {94},
     number = {3},
     year = {2013},
     language = {ru},
     url = {http://geodesic.mathdoc.fr/item/MZM_2013_94_3_a9/}
}