Voir la notice de l'article provenant de la source Math-Net.Ru
@article{TRSPY_2002_236_a46, author = {B. Jefferies and S. I. Piskarev}, title = {Tauberian {Theorems} for {Cosine} {Operator} {Functions}}, journal = {Informatics and Automation}, pages = {474--480}, publisher = {mathdoc}, volume = {236}, year = {2002}, language = {en}, url = {http://geodesic.mathdoc.fr/item/TRSPY_2002_236_a46/} }
B. Jefferies; S. I. Piskarev. Tauberian Theorems for Cosine Operator Functions. Informatics and Automation, Differential equations and dynamical systems, Tome 236 (2002), pp. 474-480. http://geodesic.mathdoc.fr/item/TRSPY_2002_236_a46/