Voir la notice de l'article provenant de la source Novi sad journal of mathematics website
@article{NSJOM_2005_35_2a_3, author = {F. Vajzovi\'c and A. \v{S}ahovi\'c}, title = {Cosine operator functions and {Hilbert} transforms}, journal = {Novi Sad Journal of Mathematics}, pages = {41-55}, publisher = {mathdoc}, volume = {35}, number = {2}, year = {2005}, url = {http://geodesic.mathdoc.fr/item/NSJOM_2005_35_2a_3/} }
F. Vajzović; A. Šahović. Cosine operator functions and Hilbert transforms. Novi Sad Journal of Mathematics, Tome 35 (2005) no. 2. http://geodesic.mathdoc.fr/item/NSJOM_2005_35_2a_3/