@article{TM_2002_236_a46,
     author = {B. Jefferies and S. I. Piskarev},
     title = {Tauberian {Theorems} for {Cosine} {Operator} {Functions}},
     journal = {Trudy Matematicheskogo Instituta imeni V.A. Steklova},
     pages = {474--480},
     publisher = {mathdoc},
     volume = {236},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TM_2002_236_a46/}
}